MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
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 uses an image-based lure. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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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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://clinicaveterinariabilancino.it/userfiles/files/bojukanadime.pdf In PDF document text
- http://zoldjogsi.hu/uploads/files/76535322217.pdfIn PDF document text
- https://dbjadow.pl/attachments/file/15580271938.pdfIn PDF document text
- https://grupahatak.pl/admin/_fck_files/file/mexejolu.pdfIn PDF document text
- http://101-games.ru/images/uploads/files/ruxujatalesazobijulogez.pdfIn PDF document text
- http://agendatourvietnam.com/hinhanh/file/92507050563.pdfIn PDF document text
- http://wijnhuis-vaessen.nl/site/data/ws/files/falabetamakuvaluniki.pdfIn PDF document text
- http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b41ad51f738---18138149189.pdfIn PDF document text
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/161001866d49f6---sepexobunujowiwe.pdfIn PDF document text
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c0c93b913df---gimopizuwaxokopilamar.pdfIn PDF document text
- https://www.ftha.org/admin/ckfinder/userfiles/files/52606239102.pdfIn PDF document text
- http://learningkey.org/userfiles/pexew.pdfIn PDF document text
- http://boschvietnam.vn/files/usersfiles/files/salavuzugumugosoragobo.pdfIn PDF document text
- https://altonika.pro/files/fck/file/94424377791.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160e1b79ba00a3---deletibofoguwuxofobilu.pdfIn PDF document text
- http://vladjurnalist.ru/archive/file/16976210402.pdfIn PDF document text
- http://showdoimovel.com/files/files/zenosasojibu.pdfIn PDF document text
- https://riondene.ch/img/uploads/file/zidopulobomofurijopoxef.pdfIn PDF document text
- https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/70ae368b7eeda92abfcfc952b164f527/jaravedubujimulo.pdfIn PDF document text
- https://sonntag-immobilien.lu/userfiles/files/fibuzijiwotalegujem.pdfIn PDF document text
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611c82862020e---95536639097.pdfIn PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1608c2150e3fb1---28267809515.pdfIn PDF document text
- http://thetuckerfamilyreunion.com/clients/67950/File/27678872780.pdfIn PDF document text
- https://accu-split.com/userfiles/files/49969779171.pdfIn PDF document text
- https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/292f009b3360845281faa5227f2febf5/79056844904.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=5th+metatarsal+dancer%27s+fracturePDF 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_off0000b279.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB279 | 13808 bytes |
SHA-256: e0a6a0a4cafb27e64629ed69892b3f3a670ac5ad44477668562c1fd0cb09559d |
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font_01_sfnt_off0000d430.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD430 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ec47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC47 | 10700 bytes |
SHA-256: 6130dfed6823a11f8d12b5e2ce6cf7e971cb831a0fe67f318db9045b1dda5fa6 |
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