MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The file functions as a link farm, containing numerous URLs pointing to potentially compromised websites. These links are likely used to distribute phishing content or further malware payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://catamma.ru/uplcv?utm_term=argumentative+essay+about+same+sex+marriage+pdf PDF link annotation
- https://jaurrieta.net/USERFILES_JAURRIETA/files/lojusiwusuguf.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613286ce94647---34256313046.pdfIn PDF document text
- http://artpolinakuzina.ru/pict/file/90673302112.pdfIn PDF document text
- https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/88d955b3006189d470fd1e3884a724ab/85139579808.pdfIn PDF document text
- http://nessium.fr/userfiles/file/majiwabidon.pdfIn PDF document text
- https://weddingitaly.jp/images/file/dobisijefojaj.pdfIn PDF document text
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/16098fde8a9026---8808128129.pdfIn PDF document text
- http://relaxzenter.com/uploads/files/bosipubexez.pdfIn PDF document text
- http://kirakuramen.com/uploads/files/13654238591.pdfIn PDF document text
- http://tootingtaxi.com/survey/userfiles/files/felepopebujugora.pdfIn PDF document text
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1611cb83288de9---vomuxarizinuli.pdfIn PDF document text
- https://observatoire-omic.org/documents/file/76021128551.pdfIn PDF document text
- http://fine-cottage.ru/userfiles/files/18662994.pdfIn PDF document text
- http://reunionclass.com/clients/7469/File/90179012246.pdfIn PDF document text
- https://bibliotheque-des-arts.ch/ckfinder/userfiles/files/35470395374.pdfIn PDF document text
- http://diskacme.dk/images/upload/file/91708163689.pdfIn PDF document text
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/jd51ia2cpkelubgv5kdf23b3o1/69115318479.pdfIn PDF document text
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/d7c4971f35530466917b0f5c3615f274/54877999854.pdfIn PDF document text
- https://askisan.com/upload/ckfinder/files/gabujisamixuwejawivudized.pdfIn PDF document text
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d59444df44---vezubokitewipuzirufupowet.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_off0000b473.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB473 | 11296 bytes |
SHA-256: 657e4d9f7752c095dd440c75cf05a207c2f91b2615e8c9a518810740e7615919 |
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font_01_sfnt_off0000cea7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEA7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e6b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6B9 | 16216 bytes |
SHA-256: ca12f5cf830a229dc675657510f6012cc4ad339ed37d393d5b2a510f165d6838 |
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