MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links to external websites, many of which appear to be compromised or disposable hosting, suggesting a link farm or phishing lure. The presence of embedded JavaScript, though not explicitly detailed, is a common vector for exploiting PDF vulnerabilities or redirecting users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://crewmak.ru/uplcv?utm_term=century+ride+training+plan+for+beginners
- https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/41dac23ffa4b7027a457e038f025700a/56357353811.pdf
- http://capmar.eu/userfiles/file/30874562605.pdf
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1607df7e4759e4---26864935707.pdf
- http://bkbflooringusa.com/userfile/abbey/file/zimonoz.pdf
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/0q399au499aqqgobphu3197ir0/6788587237.pdf
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/43cc4ce17ccf31fac89cd64d3b13cf82/76635676869.pdf
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/16090057c7e07f---39061504274.pdf
- http://kolkandkolkdesign.com/site/data/ws/files/tanegenopi.pdf
- https://remoteyourstaff.com/calisma2/files/uploads/jezujomunej.pdf
- https://rajakeempat.com/contents//files/zekig.pdf
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/gvmbrq9dfjebdvefckermk9hl6/42480204555.pdf
- https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/160c27d7e58fa7---69378119302.pdf
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a698e881f41---neduripiduw.pdf
- https://ascinfratech.com/clientprojects/trading/file/14838920658.pdf
- https://telewebmarketing.com/FCKeditor/file/saduzaxuzexizuv.pdf
- http://benardoutlite.com/admin/fckeditor/fckdata/file/musew.pdf
- https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/pnnuivqhe7o8nlrmjdvrhqnopt/tebuxemezozajatepivokir.pdf
- https://brandonsmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/f6s2m0ssj9geob9tnnh59lf9l4/vorizavufinamigokevesij.pdf
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160764b768c279---kifiwa.pdf
- https://dienlanhbachkhoa.info/upload/files/subowut.pdf
- https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/ec581e11f02dc383bc9d8f003b3d430d/73573790483.pdf
- https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/f8fbda5ec13a061d58079d14316dfea2/lidigufesuwutojor.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_off0000f027.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF027 | 16792 bytes |
font_01_sfnt_off00010839.bin2ce48302052a2966489c88f8bfdf9064257cbd76f3d3b5d202daea0eeda44b19 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10839 | 18244 bytes |
font_02_sfnt_off000137b1.bin72d1552289499a935a1ad6cc2df0d3e47c5cf81bda5de007544b4af90ddd10b4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137B1 | 11056 bytes |
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