MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it contains a "free download" lure, linking to multiple compromised WordPress upload sites and other unknown URLs, suggesting it's part of a phishing or malware distribution campaign. The presence of embedded URLs and the overall structure point towards an attempt to trick users into downloading a malicious payload, likely disguised as a document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9382
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bd90ae3275---90464044917.pdf In PDF document text
- http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c42b2d88df0---xizutujixo.pdfIn PDF document text
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608445f89146d---62788086759.pdfIn PDF document text
- https://triosms.com/userfiles/file/10297529038.pdfIn PDF document text
- http://babyindex.nl/images/uploads/45695257705.pdfIn PDF document text
- https://k2salight.com/wp-content/plugins/super-forms/uploads/php/files/53e49e3beb6931225d661087b14e4923/22096065348.pdfIn PDF document text
- https://behagi.eus/files/galeria/files/99729762996.pdfIn PDF document text
- https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/760da42679ce69d805fd16775cfa2a62/vakadifopagereboxaledube.pdfIn PDF document text
- http://coimbra.hu/uploads/ckfinder/userfiles/files/kifax.pdfIn PDF document text
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/16073af624dcc8---1075189575.pdfIn PDF document text
- http://andersonlawdecorah.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jirubakozujetidulejeka.pdfIn PDF document text
- http://xn--e1aazeoc7d.xn--p1ai/images/shared/file/51205746418.pdfIn PDF document text
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/3d189aeba151b754999b591d3ad89185/58858269221.pdfIn PDF document text
- http://pusheng168.com/uploadfiles/20210622144242.pdfIn PDF document text
- https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16095dc9ad8b34---27423711784.pdfIn PDF document text
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc1deb26be6---34204195476.pdfIn PDF document text
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/i8t10mht340jcc380d2vg5glpk/kutegevuzarenu.pdfIn PDF document text
- https://venefoil.com/ckfinder/userfiles/files/22061877480.pdfIn PDF document text
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16083f7273bbef---81440899101.pdfIn PDF document text
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/016980eeaca767fc2bbdba066aeda27f/pepapetupalupiziporafim.pdfIn PDF document text
- https://www.albispanaderia.com/wp-content/plugins/super-forms/uploads/php/files/6ea19fd80bd1aa1224e2c77731655cea/89921220948.pdfIn PDF document text
- https://www.marvistasales.com/wp-content/plugins/super-forms/uploads/php/files/55650c363bed0ac67485b4f8e5d4fd28/zavobewifosupubixod.pdfIn PDF document text
- http://antwerp-reefer-tournament.be/argt/files/kudagatuwokabakasijotil.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=a+first+course+in+turbulence+solution+manualPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0005a28b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A28B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0005ba9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BA9C | 16440 bytes |
SHA-256: 04ef39260bbc5d56a5aecee6391056479bbbd83152fa5482411691dee8e2f3ca |
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font_02_sfnt_off0005d160.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D160 | 10716 bytes |
SHA-256: e1de00dc6a5dccad6aa5d940516657317ecc40a6128581ba4c41251a4f2b7a63 |
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font_03_sfnt_off0005e9c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E9C9 | 2516 bytes |
SHA-256: 362102f63fbb273e9718199bb1019353eaf1ef10275bfcfd0a1fffb43fa7844b |
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font_04_sfnt_off0005f564.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F564 | 27872 bytes |
SHA-256: b881caa23b4a18b0726e5071590c841bb64d777b41397ad9b27d456f571f103b |
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