MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external URIs, many of which point to compromised WordPress sites or disposable hosting, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to redirect users to malicious content or download further payloads.
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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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://wastran.ru/uplcv?utm_term=google+play+store+not+opening+in+mobile
- http://artanuji.ge/admin/ckeditor/ckfinder/userfiles/files/34912500695.pdf
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/a598262a2c929afc9b1042d5edc8f8ce/86912700096.pdf
- http://brilspa.ro/userfiles/file///28665519885.pdf
- http://lindendirect.com/ckfinder/userfiles/files/jowumubem.pdf
- http://fullx.net/files/97301630828.pdf
- http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/b27122a508a47b21dc49b0a88dcee0dc/782278848.pdf
- https://gobelsprofil.com/upload/files/29624176135.pdf
- http://mdknoodles.co/uploads/files/2194223125.pdf
- http://stin-verdon.fr/assets/Image/files/67680791117.pdf
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/161343e4495ddf---32119169142.pdf
- http://seibyou-koujien.com/files/files/36350792778.pdf
- http://1night2day.com/UserFiles/file/lewikoxikusitumas.pdf
- http://www.sctiec.com/up_files/FCK/file/muxudekafotamewaza.pdf
- https://protrialse.eu/files/files/notawuwusepinapewozis.pdf
- https://trexanh.net/upload/files/leposawarozibiko.pdf
- http://www.parkwaytransplant.com/media_upload/upload/files/ledumupafofape.pdf
- https://vargyasnekonyveles.hu/kepek/other/file/rutanidufaderumuxavemax.pdf
- http://canvangdientu.com/images/file/48013118050.pdf
- https://sabunwangi.com/contents/files/nuxosimo.pdf
- http://esejsc.com/upload/files/9121148323.pdf
- https://granitabrasive.hu/editor_up/supasisebix.pdf
- http://himalayakebab.irafbrothers.com/shipinc/userfiles/files/bogufesivuxariwelutego.pdf
- http://anoh.net/pds/userfiles/files/pitetideramenorepu.pdf
- https://mediacentre.heathrow.com/js/ckfinder/userfiles/files/tanoxuduzatenononatute.pdf
- 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_off0000eda1.binc09db02d1b53b1f69333101d5ba18aba3d71e06bdbeb36dcfab8d839f0cd15d8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDA1 | 10888 bytes |
font_01_sfnt_off000106ac.bind7f0a4cb483efb6438ab884bf2c3185086fe9058bd358af3f3d16ac3956c8c5f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106AC | 17772 bytes |
font_02_sfnt_off00013516.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13516 | 16792 bytes |
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