MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. The document contains numerous links pointing to compromised WordPress upload directories and disposable hosting, suggesting it functions as a link farm to distribute malicious content or phish for credentials. The presence of embedded URLs and the nature of the links strongly indicate a phishing or malware distribution attempt.
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://infrive.ru/uplcv?utm_term=bankers+book+evidence+act+1891 PDF link annotation
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b114654f972---genatoxoboleroderep.pdfIn PDF document text
- http://brette-animation.com/userfiles/file/37606193046.pdfIn PDF document text
- https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082a5346befd---88884500393.pdfIn PDF document text
- https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1609546bbb0efa---roxog.pdfIn PDF document text
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607db501be1e4---jotadojekojexumitezubiled.pdfIn PDF document text
- http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/16095953012616---41373513230.pdfIn PDF document text
- http://dianacb.cz/userfiles/file/92291235718.pdfIn PDF document text
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160760377e2795---mivivemosugu.pdfIn PDF document text
- https://bharatbiodiesel.com/userfiles/file/69591545819.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160860efc4477f---zoledezupejezelukipife.pdfIn PDF document text
- https://akarchlight.com/wp-content/plugins/super-forms/uploads/php/files/6ddbb200e092656a3f86b91bf45b5b84/44294002048.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/06327b4de2287a88de20a30c6be8fbe8/jiletedexilopapolunepi.pdfIn PDF document text
- http://middlegeorgiacoinclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/160771a030a7ac---18768338355.pdfIn PDF document text
- https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/ce476d3d83355ef1e9114d77b1335242/3999338598.pdfIn PDF document text
- http://iphysiology.ru/upload/zuwovilinobi.pdfIn PDF document text
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/f2sibj6u48n9p9bpvsfnosj3f0/15604765852.pdfIn PDF document text
- http://nsdadventist.org/FCKData/file/24692981384.pdfIn PDF document text
- http://sxcec.org/userfiles/file/niruruwuzixa.pdfIn PDF document text
- http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/e5fc807115d3c1d6d653887d36776d8c/71998002860.pdfIn PDF document text
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0758c34b4e---kaboputiwodevuxobuvalel.pdfIn PDF document text
- http://ivepe-elearning.gr/assets/UserFiles/mainHome/file/67631043730.pdfIn PDF document text
- http://bjbtrh.com/files/pic/file/75261546209.pdfIn PDF document text
- http://briarcliff68.com/clients/71184/File/75233769719.pdfIn PDF document text
- https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7957d82dd7---98136814321.pdfIn PDF document text
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160accc2c4237c---libazerutegubiwovovo.pdfIn PDF document text
- 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_off0000ea63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA63 | 19128 bytes |
SHA-256: 5d86170811a14a01e9908b84c6e0ebcda27bdb961748ac9fa65d3be433185f5f |
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font_01_sfnt_off00011c22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C22 | 11096 bytes |
SHA-256: f90e01e68dec5a65916b5f9d5b7b674a2bef1d9a200b3a5214a066d7f21770b1 |
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font_02_sfnt_off00013646.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13646 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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