MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. 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 https://247hvac.ca/fabulous1/uploads/files/xonagonijerogopovepumak.pdf In PDF document text
- http://soundreaming.org/wp-content/plugins/super-forms/uploads/php/files/3203b71874066aade4ce6156d0199919/rituzaguxolimesufeloxeba.pdfIn PDF document text
- http://pusancard.com/userData/board/file/tixowaraketekixukewa.pdfIn PDF document text
- http://sorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/61270789271.pdfIn PDF document text
- http://robwalker.net/fckupload/file/donetejelitoferekemud.pdfIn PDF document text
- http://timeyear-v.com/userfiles/file/bexor.pdfIn PDF document text
- http://soft-pro.hr/upload/datoteke/nuzivoxazofazixogi.pdfIn PDF document text
- http://ck-kutnahora.cz/gais/image/file/xenerexaragemirawutagi.pdfIn PDF document text
- http://acecaalcoy.com/userfiles/file/93925620600.pdfIn PDF document text
- https://www.charroninc.com/wp-content/plugins/super-forms/uploads/php/files/eeb7af22a2d92c8ae23a5a4facce0878/23317485094.pdfIn PDF document text
- http://safedoorsystems.com/cmsimages/file/lujexulazamobebajuja.pdfIn PDF document text
- http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609a76a0aa13c---90413105029.pdfIn PDF document text
- https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/a376c6dfc1b226c5e9b043b1d28bd4ff/sonadorogol.pdfIn PDF document text
- https://www.nrlandscapes.co.uk/wp-content/plugins/super-forms/uploads/php/files/9c9a9f4409fb7157cb57c85bd3b90a5e/36683150632.pdfIn PDF document text
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075ba36090ce---kalulivuvasetefo.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160b209a92c20e---11349459822.pdfIn PDF document text
- https://bartonsteel.com/tony/barton/ckfinder/userfiles/files/mexeligadomelewafajig.pdfIn PDF document text
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/94q7p5rs9t69ivvi7ioro1d547/penesagebemakede.pdfIn PDF document text
- http://re-view.online/fckFiles/file/sivonoj.pdfIn PDF document text
- https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/56a1ca35d2a5a029e4747034efa7ec45/73490584346.pdfIn PDF document text
- http://euro-ex.net/images/blog//file/20442260179.pdfIn PDF document text
- http://dawahcity.com/userfiles/file/subamudosovoxi.pdfIn PDF document text
- https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/0cc9c009b5483595d1ef75899534b556/15187342495.pdfIn PDF document text
- http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/4b1c80a7485e16962e6626dccc30f282/fesaxavurofeg.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=control4+ea3+pdfPDF 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_off0000caea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAEA | 10512 bytes |
SHA-256: 2ba2354139741f6d2bf98b0d92a85ec3999c4640957681f630b0074ee8b024b0 |
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font_01_sfnt_off0000e309.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE309 | 17052 bytes |
SHA-256: ccc0a476e8ffee57e321e7d967acc8bdad3fb3dc00141bc2da33be6bfa993bc8 |
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font_02_sfnt_off00010eef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EEF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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