MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The file contains numerous links to compromised websites and disposable hosting, suggesting it is part of a link farm designed to redirect users to malicious content. The primary attack pattern involves directing users to external URLs, likely for phishing or to download further malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://philabc.ru/uplcv?utm_term=bd+news+24+all+bangla+newspaper PDF link annotation
- http://www.pics4us.de/userfiles/file/97966477174.pdfIn PDF document text
- http://thaymanhinhlaptop.com/userfiles/file/verufapoguwuloguvugid.pdfIn PDF document text
- https://veaodaibrahma.com/uploads/image/files/36392937903.pdfIn PDF document text
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16134063c7f209---pukusebumupup.pdfIn PDF document text
- http://asude.istanbul/ck_images/files/10853861282.pdfIn PDF document text
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/5154b9cc33552e563453a0e3ca4416d4/vimimi.pdfIn PDF document text
- http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/161309512127cb---besekasidexizizuliribuz.pdfIn PDF document text
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/161354a56d9617---mawogoninisiwegituxasebe.pdfIn PDF document text
- http://dobre-jaja.com/Upload/file/33823995564.pdfIn PDF document text
- https://capecoralliving.com/media/file/10996487228.pdfIn PDF document text
- https://ashasuchikala.com/ckfinder/userfiles/files/87279763365.pdfIn PDF document text
- https://rosanaalvarracin.com/userfiles/file/detomopuditavuwiweguk.pdfIn PDF document text
- http://lawngo.net/fckfiles/babopemav.pdfIn PDF document text
- http://logtech.cz/foto/Image/file/wimagujapetapediboni.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/kajujur.pdfIn PDF document text
- http://locthanhroyal.com/upload/files/liribexegawoxexivuz.pdfIn PDF document text
- http://thepokeluau.com/uploads/files/1418469081.pdfIn PDF document text
- https://fairtradeportal.pl/userfiles/file/watuxufuzi.pdfIn PDF document text
- http://nguoigiupviec99.com/webroot/img/files/73133247285.pdfIn PDF document text
- http://zhihepvb.com/upload/ckimg/files/202109092136033237.pdfIn PDF document text
- http://393citizen.com/upload/files/82553241495.pdfIn PDF document text
- http://escuelasfutbol8.com/docs/files/lilugexorujufagabaj.pdfIn PDF document text
- http://fasson.vip/images/editor/files/gosokuxuvenosiwugelidaza.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_off0000b7be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7BE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cfd0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFD0 | 17108 bytes |
SHA-256: e9a2d0cffcaa0eb1e35f600bed3e047fa8fce60a8641bae97bfa82fd5a89f725 |
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font_02_sfnt_off0000fbb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBB1 | 10736 bytes |
SHA-256: 6bb2f12159550e93734158547402a18af882d991c6231a8d6f04baf219ed031a |
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