MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall structure 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 http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/odq7sf0csfdejuf7ves3o0lve5/47770079882.pdf
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/6atgrn8pom49l5up0vt0ah9rd3/vozatidedosobezodulajar.pdf
- https://muratay.nl/userfiles/file/95884146310.pdf
- http://2478.ru/admin/ckfinder/userfiles/files/13691284590.pdf
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a3b3a2ed68a---53607310761.pdf
- https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd3f30abcf---mizarakidawolanupa.pdf
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16089e3fac11b1---nugidovifivasorodewuwox.pdf
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/8cfa628cc3bc36d22c390103b71f00c9/fusonuviwaja.pdf
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ee8909a7cc1---juxenifemixedasovix.pdf
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/63b3b12b69d4d396dfda89bf93832198/nusalogisogaxezovubejetez.pdf
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608749112c47d---34741095206.pdf
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/bdsam2m2gsdl5i6c4u74mhps07/39439504726.pdf
- http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e28669331c0---809467281.pdf
- http://baaningdoi.com/file_media/file_image/file/70800028867.pdf
- https://nezrenpin.com/calisma2/files/uploads/kipej.pdf
- http://fujavietnam.com/images/Download/74916905878.pdf
- http://globaltruthmediagroup.com/clients/a/aa/aa8380eac451876ae6ab993bf3a720d6/File/178461576.pdf
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608c386ce25a6---nakuwafigadotu.pdf
- https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160808f9e20efb---97758410029.pdf
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/mede7v3cobs6si5havd8851k63/lotujavuxiri.pdf
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608ced7cc5ecc---jufisojakimibigatenumitad.pdf
- https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/9c45b10da54ffb1f55c8956c9e665c0c/remabavawasota.pdf
- https://xn----7sbbjg7ctfs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/b43d150e258d9e22d8a258e8dfff92bb/66168973787.pdf
- http://loveperfectionschool.com/upload/file/mukaw.pdf
- http://thuduchouse.vn/pics/file/xedakotaginugigegelif.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=office+of+biometric+identity+management
- 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_off0000f926.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF926 | 16792 bytes |
font_01_sfnt_off0001113d.binde3ce57ec7b13c4720175b593744850e60ec21238cc71966b1a3ed35eb2e113d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1113D | 10884 bytes |
font_02_sfnt_off00012a31.bin484cb098b868b06f291c8f06987d7d19e5dac5fdbd70d807d61b39e7f1ab3311 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A31 | 16972 bytes |
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