MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, with numerous URLs pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or SEO poisoning scheme. No scripts were extracted, but the embedded URLs are the primary indicators of compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160dbaeb5b0dba---tufexuzapuk.pdf
- http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160bd18b6f18bf---jesukadebajutezusojam.pdf
- http://adaviestransportltd.com/userfiles/file/kumofewawumutonebulogoso.pdf
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606cce35adf4b---fopulenu.pdf
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b05c0ba093e---222312720.pdf
- http://zjhywt.com/images/upload/File/11692458595.pdf
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/160915bc48c23c---46217746692.pdf
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c01da0a92c1---11149955663.pdf
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/f59b4cea655150fa028b079c692a877b/8727183454.pdf
- http://singer-island-condos.com/userfiles/files/21285193579.pdf
- https://www.citysecurity.org.uk/wp-content/plugins/super-forms/uploads/php/files/chbbdjgpbeubjghbasmuvaj9dv/kogaroxudikojodufuda.pdf
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/67655441f55eebfb41cb52823574ee29/wujojutewa.pdf
- http://gymostrov.org/gymostrov/userfiles/file/23601148166.pdf
- https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/071af6db3e6ac09ddd130d7c28c962d0/xepewo.pdf
- https://www.hamburgeriaagricola.com/wp-content/plugins/super-forms/uploads/php/files/v5m7dvu7rlu03acin027lrh2u4/14605398056.pdf
- https://asthasupermarket.com/userfiles/file/68302188379.pdf
- https://europeancustomtailor.com/wp-content/plugins/super-forms/uploads/php/files/1c2e1e8483eebb388ff7526186dfcc60/31436972578.pdf
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d952969d46---24691707598.pdf
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aafa9717087---lebipubazi.pdf
- https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd2e1221b73---kitipuwugoditux.pdf
- http://rauvuonsach.com/images/uploads/files/zosijudaki.pdf
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160c023a2e5605---45526991198.pdf
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/160866152b8861---70351740830.pdf
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/160828b3042bb9---81642143469.pdf
- https://catequesisnavarra.org/guiarte_userfiles/files/49052579913.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=tuesday+morning+motivation
- 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_off0000f202.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF202 | 16792 bytes |
font_01_sfnt_off00010a14.bin6ba004720723de4ef47d28d36454f81c312b54e00a0f88f7633fe1aebde7403b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A14 | 16876 bytes |
font_02_sfnt_off000135a9.bind8f0ea0647a42df889e1417636a0257039719e16831158645b8d1ab474d90c32 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135A9 | 10788 bytes |
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