MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF exhibits characteristics of a phishing lure, including an image-only appearance and a click-outward action. It contains a significant number of links pointing to various domains, many of which appear to be compromised or disposable hosting, suggesting a link farm designed to obscure the ultimate destination. The ClamAV detection and ML classifier further support its malicious nature, likely as a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 1 text block(s), carries a click-outward action, and is only 70 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://backkwang.com/userData/board/file/51606852304.pdf
- http://rosabaum.de/web/editor/files/83890578984.pdf
- http://denki-shonan.com/uploadsfile/71385558070.pdf
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16136cb9b86cd6---77741164526.pdf
- https://nichecnk.leaddeehub.com/userfiles/files/74635676854.pdf
- https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/63901967917.pdf
- http://radecznica.pl/userfiles/file/80199801888.pdf
- https://armour-technoz-ca.otzol.net/ckfinder/userfiles/files/1118607510.pdf
- http://savytrading.com/userfiles/file/pamigefinowapovojiga.pdf
- http://ilkemymm.com/image/files/86211537762.pdf
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/35f3lq22po88uf58br5fufb4cl/69133135637.pdf
- http://decoworld.in/dayafter/uploadimages/newsimages/file/91494703814.pdf
- http://sweet-sugar.de/images/uploadedimages/file/9987771807.pdf
- http://nattuvaartha.com/assets/ckfinder/core/connector/php/uploads/files/piruzofaluvin.pdf
- http://inteko-tula.ru/f/file/zuwolixabepoleforumubi.pdf
- http://isgsrl.it/images/file/52673533920.pdf
- http://worldnaturalfood.com/image/upload/File/safunuwukuzu.pdf
- https://sieuviet.net/webroot/img/files/68030099618.pdf
- http://commissioncollectionlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/1669384452.pdf
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ed6e4e336f---polumaga.pdf
- https://insinkerator.us/images/uploaded/file/zezat.pdf
- http://quanhoangtsi.com/upload/quangtri/files/doribuxevesamugas.pdf
- https://observatoire-omic.org/documents/file/niwodutiwadelurumexeme.pdf
- http://ptichile.cl/userfiles/file/mudug.pdf
- https://ikansambel.com/contents/files/judazudusimaxizizad.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=grand+truck+simulator+2+money+hack
- 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_off0000b4c6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4C6 | 16792 bytes |
font_01_sfnt_off0000ccdd.bin6395d1d34619881734e5b39332ef639279eedd5b6b86190fe2a15deeb84449f9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCDD | 11100 bytes |
font_02_sfnt_off0000e6aa.bin1e3bb831820ac5a7b9f7c37491b033aef839dc3c9e217c6525d93938265737b7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6AA | 14192 bytes |
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