MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous external links, many pointing to compromised CMS upload directories, suggesting a link farm designed to redirect users to malicious sites. The document body is heavily obfuscated and unreadable, but the presence of external links and the high detection scores indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://pistant.ru/uplcv?utm_term=soft+heat+electric+blanket+manual PDF link annotation
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/fc38ae229a47b75ef6567161b726edc3/xasazowa.pdfIn PDF document text
- http://es-manzokudou.com/yamituki-n/uploads/files/sanixoxiwivikagububix.pdfIn PDF document text
- http://vzwsportenmuziek.com/content_docs/11111133621.pdfIn PDF document text
- http://asckhn.com/acskhn/userfiles/file/runupibiwipaxufopisudo.pdfIn PDF document text
- https://manuscripthandler.com/userfiles/file/fidip.pdfIn PDF document text
- https://castel.ro/userfiles/file/46479098744.pdfIn PDF document text
- http://f-kcc.jp/user_data/userfiles/files/63970074194.pdfIn PDF document text
- https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/125c248f17f8481411a1269d14f85a7f/57743273558.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a40b84e9de9---zobidaj.pdfIn PDF document text
- http://minuspk.ru/minuspk.ru/userfiles/file/worabijuzafugon.pdfIn PDF document text
- http://optimus.org.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607a9916727fb---7208204921.pdfIn PDF document text
- http://optikametuje.cz/userfiles/file/14612228103.pdfIn PDF document text
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609c367f3949c---42005633954.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093f7f05464c---tegutofobanekajixibenekon.pdfIn PDF document text
- https://baongochoa.com/upload/file/nivuxedifakegit.pdfIn PDF document text
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1609c702d19474---bogabesuxuvavetas.pdfIn PDF document text
- http://anhuizhkj.com/upload_fck/file/2021-5-12/20210512093409808774.pdfIn PDF document text
- http://orourkelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/88030551714.pdfIn PDF document text
- https://aimara-bg.com/userfiles/file/risexabezeruwugolo.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160ad8007142b7---99312301255.pdfIn PDF document text
- http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ab74f19b328---65077899355.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/64812028798.pdfIn PDF document text
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160837effef858---poniz.pdfIn PDF document text
- http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/594dd2f350d613df59537eef769c01a1/dawevow.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_off0000dd4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD4E | 10840 bytes |
SHA-256: a3803db23985a55f5a5ee826ac98e0a48ac6f920229950b3a49af0670d983905 |
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font_01_sfnt_off0000f623.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF623 | 17992 bytes |
SHA-256: 592ea8881700bbefcbac793773c2c73b2c7f7771f0e96a1c577df8dbd3af7aa2 |
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font_02_sfnt_off0001245c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1245C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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