MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code within documents. The sample also exhibits characteristics of a link farm, directing users to multiple external URLs, some of which are hosted on compromised WordPress sites. ClamAV detection and ML classification further support its malicious nature, likely as a phishing lure or a downloader for further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://fasaac.org/temp/files/25909219062.pdf
- http://naoshima-tours.com/images/blog/file/tekuvimamatuposezitipob.pdf
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613e1832afac9---78654963279.pdf
- http://fluitec.fr/ressource/site-image/files/nakasufedafasosonofa.pdf
- http://rowadhr.com/app/webroot/upload/files/90903698326.pdf
- http://rockhouseschool.com/rockhouse/uploads/files/zadupikebex.pdf
- https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/ece4487eeed5ca94c74eebce602c6fa0/loragala.pdf
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614694244131a---vusifekemelatedo.pdf
- https://rajatotogroup2.com/contents/files/kepaxixapoxawevana.pdf
- https://xn--80apefbdm9ah5g.xn--p1ai/userfiles/samopokolikejudelum.pdf
- https://7foro.exceltur.org/exceltur_nuevo/ckfinder/userfiles/files/80960750226.pdf
- http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141a622b844a---fuxopenerofeletifabekam.pdf
- http://mygiftltd.com/userfiles/file/11605478313.pdf
- http://wadsoda.com/UserFiles/File/37217670124.pdf
- http://darslaska.org/ckfinder/userfiles/files/27792787866.pdf
- http://www.eatvirukai.lt/uploads/files/pudigukema.pdf
- https://dewalt-naradi.cz/media/upload/editor/file/11589826936.pdf
- http://krevue.cz/UserFiles/File/35262274579.pdf
- http://restaurant-lyons.fr/userfiles/file/62170899555.pdf
- http://terezmisszio.eu/files/file/fozinogerinogikatigujikuz.pdf
- https://www.colegiodomus.com.br/js/ckfinder/userfiles/files/lojonudidewaxat.pdf
- http://jamalcar.com/userfiles/file/mujeteveju.pdf
- http://emotionpicturesfestival.gr/userfiles/file/93716377548.pdf
- http://www.radeton-cz.vasestranky.cz/ckfinder/userfiles/files/sesijomifujoki.pdf
- http://marcobernini.it/userfiles/files/basoze.pdf
- https://www.tristar-technology.com/ckfinder/userfiles/files/zarixapokujobobag.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=logo+modernism+ebook
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d676.bin3728fb7e9cb973c906ea6ac3bdf2b7949e4832bbf0a26c4e3992cc39df183e1f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD676 | 10476 bytes |
font_01_sfnt_off0000edf4.binecc22e8c5bf6df566f92efe2810451776b7e36bf5632bae010990f7fae9e0f39 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDF4 | 17176 bytes |
font_02_sfnt_off00011ac3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AC3 | 16792 bytes |
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