MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple external websites, some hosted on compromised CMS platforms. The presence of 'utm_term=exe+installer+for+android' in one URL suggests a lure for downloading potentially malicious executables.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://huntic.ru/uplcv?utm_term=exe+installer+for+android PDF link annotation
- https://sicurezzaips.it/uploads/file/93906031298.pdfIn PDF document text
- http://elmbbq.com/uploads/files/16619232137.pdfIn PDF document text
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613db4cbb162e---13176991978.pdfIn PDF document text
- http://monthclean.com/uploads/files/202109160605124235.pdfIn PDF document text
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a6affc3071---30409174379.pdfIn PDF document text
- https://ooo-kenk.ru/userfiles/file/15798409182.pdfIn PDF document text
- http://www.farmaciapenil.es/userfiles/files/58292879418.pdfIn PDF document text
- http://sushikyototogo.com/uploads/files/42372117986.pdfIn PDF document text
- http://airmon.hu/images/files/besoponaligabelarewibajep.pdfIn PDF document text
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142a795a6527---9669765033.pdfIn PDF document text
- http://canyonoaksmtg.com/~duckdi5/canyonoaksmtg.com/content/file/62122339339.pdfIn PDF document text
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138fecf90fbb---1553281924.pdfIn PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/28a79393c3abbb50d8ef4fc6521889ac/50259971282.pdfIn PDF document text
- https://rajatotogroup3.com/contents/files/rigudixaxixofida.pdfIn PDF document text
- http://happyland-nsk.net/ckfinder/userfiles/files/wutobazazujitobubage.pdfIn PDF document text
- http://www.sintsprev-ms.org.br/ckfinder/userfiles/files/sodomadakavefudozosufuk.pdfIn PDF document text
- https://nusantarabet4d1.com/contents/files/54456267747.pdfIn PDF document text
- http://watch62.ru/files/files/zejojanel.pdfIn PDF document text
- http://bbhshipyard.com/userfiles/file/dutatemoxumod.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_off0000b1c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1C2 | 10432 bytes |
SHA-256: 31b21840964adb531b5d7062eeae9df72e0501b2f364ee802218018bc6b470eb |
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font_01_sfnt_off0000c98a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC98A | 18428 bytes |
SHA-256: 3872f45c3368d2ec33fd3bc7c410c01c80e0ea42e1ad357aee25a04f1220849b |
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font_02_sfnt_off0000f799.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF799 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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