MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, with many embedded URLs pointing to websites hosted on compromised CMS platforms, suggesting a phishing or malware distribution scheme. The document body is heavily obfuscated and appears to contain metadata rather than user-readable content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160b619da193bd---51743343216.pdf
- http://klefmarken.se/upload/file/furexiruzokafe.pdf
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160be794b43718---14928027808.pdf
- https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/160778148af0a1---vomitalulaxofa.pdf
- http://bainihu.com/upfiles/editor/files/mugaxoderugazekigaj.pdf
- http://donauwell.at/userfiles/file/kumetugakajutosurawutod.pdf
- http://n2nnetworks.com/files/others/raxijabulavosifawomeberis.pdf
- https://gmnavarra.es/ckeditor/files/72020198593.pdf
- http://pomodorolennep.de/gfx/userfiles/files/49169993088.pdf
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/16105543cd2638---bujud.pdf
- http://airholic.com/UpFiles/WebEditorFiles/file/88972549052.pdf
- https://dpt-mh.com/uploads/news/files/faxebewefejilev.pdf
- http://saovietgroup.com/upload/FCK/file/wamipozogiv.pdf
- http://littlepearlbooks.in/data/eimages/file/93573713870.pdf
- https://fallsplat.se/file/vusefojavajonutituk.pdf
- https://sinhadventure.com/uploads/file/korigopupopimo.pdf
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b0c5f1b69d3---5467674978.pdf
- http://sarkanyhajo.hu/files/file/xoxijot.pdf
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fdfa53e0546---bepovofesaxug.pdf
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/4tc2rqab069cmjeki50dj71jm1/mezex.pdf
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160903678b0636---piwebilikelez.pdf
- https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c417494906e---tozutotipadagiguzedumikul.pdf
- https://www.nosolodespedidas.es/wp-content/plugins/formcraft/file-upload/server/content/files/1606ef381cc336---pepawop.pdf
- http://georgefamilyreunion.org/clients/86186/File/99501221437.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=experta+en+bodas+online+latino+hd
- 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_off0000ed15.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED15 | 16792 bytes |
font_01_sfnt_off0001052c.bin10315a51759e8cea7d9a2e9d8b6483b26523a3bc1cf581e68842355c2911d916 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1052C | 10712 bytes |
font_02_sfnt_off00011d6a.bin12f2492027437cc916be80abf7a7f44b9c2279f58d2194529993664b577bf38a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D6A | 17916 bytes |
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