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 or trojan. Heuristics indicate it functions as a link farm, directing users to multiple external URLs hosted on potentially compromised or disposable domains. The presence of numerous embedded URLs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly suggest the document's purpose is to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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=benchmark+battery+android PDF link annotation
- http://ueros.fr/admin/ckfinder/userfiles/files/79116763832.pdfIn PDF document text
- http://splogservice.ru/content/files/tiwuxos.pdfIn PDF document text
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/b13d4a1f9c90848fe0323599af213ce5/volidofomesomedatu.pdfIn PDF document text
- https://tsydesign.com/userfiles/jws/files/44370893128.pdfIn PDF document text
- http://ndc-group.ru/uploads/files/63905276488.pdfIn PDF document text
- http://kurier48.pl/files/userfiles/file/sumuguwurabodumej.pdfIn PDF document text
- https://www.aifimm.it/admin/inc/ckfinder/userfiles/files/rexiziposopexiteborakeret.pdfIn PDF document text
- http://vanprodukt.cz/UserFiles/File/nufomifabumufigo.pdfIn PDF document text
- https://sofanet.ro/ckfinder/userfiles/files/74882937863.pdfIn PDF document text
- http://teresachild.com/upload/files/66484962861.pdfIn PDF document text
- http://familiegravesen.dk/ckfinder/userfiles/files/3383570573.pdfIn PDF document text
- https://bonvoyageindia.in/ckfinder/userfiles/files/81281523659.pdfIn PDF document text
- https://wonwon.taipei/photo/file/43448275374.pdfIn PDF document text
- https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/3r27cqcn32bb9a5eor9sf533n0/fugis.pdfIn PDF document text
- http://diakmelo.hu/ckfinder/userfiles/files/92061567320.pdfIn PDF document text
- http://kco.su/userfiles/file/14914779154.pdfIn PDF document text
- http://zhatuogz.com/uploadfile/file/fudakumanunalezap.pdfIn PDF document text
- http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612fbecc38560---87833842629.pdfIn PDF document text
- https://inprovitbolivia.com/ckfinder/userfiles/files/87673547847.pdfIn PDF document text
- http://wonderful-foods.net/userfiles/file/77428184419.pdfIn PDF document text
- http://ppfi-online.com/userfiles/file/76686309143.pdfIn PDF document text
- http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/1612ed5080852e---25771922709.pdfIn PDF document text
- http://onestep-tokyo.com/userfiles/file/54025474935.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_off0000e1f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1F6 | 10820 bytes |
SHA-256: e156a9cc04c0d0fdbe5573e6338edc70a3cef4b349638e2cd84128aaa2daef0a |
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font_01_sfnt_off0000fabb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFABB | 18116 bytes |
SHA-256: 95d7613528d37cfb784b744dff4eb5e51432f3b60af25af4f13152d4e65f4f14 |
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font_02_sfnt_off00012a3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A3A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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