MALICIOUS
166
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 uses a link farm pointing to compromised CMS upload storage, specifically WordPress, to host a PDF payload. The presence of an SEO redirector lure suggests a phishing campaign aimed at tricking users into downloading the malicious document. No scripts were extracted, but the overall pattern points to a phishing lure for a malicious document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9800
Heuristics 6
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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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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://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/160ae8a8b61b73---befararimibiw.pdf In PDF document text
- http://angarakshaksecurity.com/userfiles/file/81002496501.pdfIn PDF document text
- http://africa-emergence2019.com/userfiles/file/gawijem.pdfIn PDF document text
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082d8872a6f1---84654357468.pdfIn PDF document text
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/16086b7d93dc58---mezifexinuvaserur.pdfIn PDF document text
- http://www.esthemed.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160818f0002ae9---45730471678.pdfIn PDF document text
- https://taechoclub.com/FileData/ckfinder/files/20210605_5291480175D120BE.pdfIn PDF document text
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/b98d7f1bb273ccbb6e8bf3276abfccf7/33682970426.pdfIn PDF document text
- https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/mu35o2k2dtnangr2k5q2neid97/xoderepaxivetevasexojomem.pdfIn PDF document text
- https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/bctjeg9ue7hqtasdq93kv0afv0/61593146499.pdfIn PDF document text
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/a39d42093cfc67df27bccfdaf04807a2/16740068068.pdfIn PDF document text
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/160bf99c8adb7d---91975199166.pdfIn PDF document text
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608ddcc1808bc---14825562966.pdfIn PDF document text
- http://issaproject.com/app/views/panel/ckfinder/userfiles/files/44666158549.pdfIn PDF document text
- https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/866ff47692964c723e4f112209d583d3/82751939820.pdfIn PDF document text
- https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/3be51bb6662c9d95361fcdbdbd077837/tatelezi.pdfIn PDF document text
- https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/0fe1a68dee42e6534e055ad9956237b2/85372552778.pdfIn PDF document text
- https://pablohernandes.com/wp-content/plugins/super-forms/uploads/php/files/54c0e74d783ed00d8bcce236808216d7/87177636479.pdfIn PDF document text
- https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/985ee923addeb34cd8c95a51ff0184d4/vimupemiw.pdfIn PDF document text
- https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/aa1513b4325b5f15c8fd1e2994f4279e/lifomuwuzilekijasevol.pdfIn PDF document text
- http://hani-bee.com/userfiles/files/77832614384.pdfIn PDF document text
- http://kasaitogo.com/uploads/files/givexuvasobudinuzuju.pdfIn PDF document text
- https://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/iv7fu2igm7nl26idt7pgibpac4/nunesezoduvabolobe.pdfIn PDF document text
- http://www.urbanwaterways.info/files/65030644082.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=meaning+of+atheist+in+tamilPDF 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0002b6b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2B6B2 | 22684 bytes |
SHA-256: a2894cb655236bb01b4e43aed2c3d451c0fbeb7443e2e26174e4da41decfe4dd |
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font_01_sfnt_off0002ee69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2EE69 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00030680.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x30680 | 10552 bytes |
SHA-256: ca92951bc265a6cf2f511386fb81c477237e09e9a5214aa9b54915f374e5fd5e |
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