MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or malware distribution intent. It contains a large number of links, many pointing to compromised WordPress sites, suggesting a link farm used to obscure the final malicious destination. The document body is unreadable, but the heuristics and URLs strongly suggest a phishing or malware delivery scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/v596i456f205e408lt55d0fvsl/muzixu.pdf In PDF document text
- https://tomclarkvoiceovers.com/userfiles/files/kifutaberewuvabidu.pdfIn PDF document text
- http://nuraski.pl/wsg/userfiles/12425449955.pdfIn PDF document text
- http://iiiemjobs.com/FCK_Editor_Images/files/97557129162.pdfIn PDF document text
- http://scherzerpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vuvusotabov.pdfIn PDF document text
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161002144e4db9---jirisevupokav.pdfIn PDF document text
- http://drtamerturan.com/file/mikeverumexiroguvevaw.pdfIn PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a8ab3a945cb---rarorixofogibokezo.pdfIn PDF document text
- http://livestreaming.group/wp-content/plugins/super-forms/uploads/php/files/l8vb9nvj0f2aqei2blv3g52ha67a27um/68075500573.pdfIn PDF document text
- https://www.mysmilestudios.com/wp-content/plugins/super-forms/uploads/php/files/2a866430f3defb0fe831bfa80e2c9111/64011600781.pdfIn PDF document text
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/igv9gs9oshlc4scbmrma9mfrfh/voxesiz.pdfIn PDF document text
- http://libron.pl/fckupload/assets/file/gusiwilejonevelilis.pdfIn PDF document text
- https://sukaunited4d.vip/contents//files/45698606710.pdfIn PDF document text
- http://goodslib.com/userfiles/files/53210284971.pdfIn PDF document text
- https://alnahamgroup.com/userfiles/file/20029117470.pdfIn PDF document text
- http://archpiudue.com/userfiles/files/pubobi.pdfIn PDF document text
- https://lavaecucebrescia.it/file/46843917407.pdfIn PDF document text
- https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/160e48226db03f---babutojemewe.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a9fb9347e55---96761073543.pdfIn PDF document text
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/dcoke0hqduik0ukrj7aoi9mlrf/mijosamodepakoti.pdfIn PDF document text
- http://shssailors1969.com/clients/3/36/366f78b21138e0f8005dfe6cc5e09e30/File/nipivoziwoxezi.pdfIn PDF document text
- http://meble-tk.pl/userfiles/file/gumizidiwelumar.pdfIn PDF document text
- http://ledins.lv/cms/file/75973249770.pdfIn PDF document text
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/0er1or18bifks858gp7cija891/fefenif.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=myanatomy+coding+questions+and+answersPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e98d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE98D | 11104 bytes |
SHA-256: 96f46990a3e15fbc8c324e08734faacd056ede91308d330fa2f3bcd7ab0365c2 |
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font_01_sfnt_off0001030c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1030C | 17452 bytes |
SHA-256: 6c8ed781b4120e5959fc50b7a523cc630e929e7f273202c00f8226dc46057181 |
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font_02_sfnt_off00013083.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13083 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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