MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, indicative of a link farm. The 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics strongly suggest this. The ML classifier and ClamAV detection further support its malicious nature, likely as a phishing or redirection lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
Heuristics 6
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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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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://coss-wynn-reunion.com/clients/d/db/dbe3622004495b304d8703879a486b7d/File/94930053047.pdf
- http://cosyromania.com/media/file/30667779797.pdf
- https://brod-plovdiv.com/images/napiverute.pdf
- https://31app.com/userfiles/file/beruwukevovap.pdf
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/59dc14314d9fb044fb337ada46f864b8/pomuwikevajakavedobavoton.pdf
- https://www.propertyfilevault.com/wp-content/plugins/super-forms/uploads/php/files/f6fe0b41ad9703107488bb5cfad0b255/68865439627.pdf
- http://cokhilegia.com/upload/files/15572404279.pdf
- http://medicapoland.pl/uploaded/file/59180651895.pdf
- http://tractortools.cz/ckfinder/userfiles/files/jidatedevonokene.pdf
- https://legacyltg.com/wp-content/plugins/super-forms/uploads/php/files/c824cad62da590e17a3d50d0ed6bcd21/97242274746.pdf
- http://belean.pl/userfiles/file/36875045594.pdf
- https://cursosadistanciayonline.com/medios//files/sufovumelosujizebo.pdf
- http://elite-nails.pl/Upload/file/vutir.pdf
- https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/6e451ba1aa89aca4e420a56ffaf1bee3/ragikabeba.pdf
- https://cs168.tw/upfiles/editor/files/fegumirasawotado.pdf
- https://www.hmgfinance.com/ckfinder/userfiles/files/dumovotenufozisovize.pdf
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c934f8b2abf---97275857450.pdf
- https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/pivmkh7ku6nalshef0ov6p1i1r/talelomotuz.pdf
- http://lapenya.cat/imgjovesnaves/file/4611880201.pdf
- https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/9841a0c0b53e61523a2293c00efb2065/pasutiponodekebetifiju.pdf
- https://eltonltd.ru/sites/default/files/uploads/lojinasimegagatomuke.pdf
- http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607be41ae23ce---89521106146.pdf
- http://conflictfreeelectronics.com/ourprojects/chowki/UserFiles/renuka/file/53705700458.pdf
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb99e94311b---kekokamekefej.pdf
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/89d379e1bf986dfff30f5c77e8274eb6/48009571754.pdf
- http://slovbau.sk/test/userfiles/file/koxazif.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=the+definitive+guide+to+dax+2nd+edition+pdf+download
- 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_off0000d9fa.binb1b87dcfae015879a6367ca3e89ded48900b1e61de3834b841be41f8fae88561 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9FA | 17268 bytes |
font_01_sfnt_off0001073d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1073D | 16792 bytes |
font_02_sfnt_off00011f54.bin80a3d839dd1ef0b06481244ead69cbbaaf9e963cf6201488505509ae9cd2d478 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F54 | 10948 bytes |
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