MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to various domains, many of which appear to be compromised or disposable hosting, suggesting a link farm or phishing lure. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically highlights this behavior, indicating the PDF's purpose is to redirect users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://infrive.ru/uplcv?utm_term=how+to+shift+apps+to+sd+card PDF link annotation
- https://biomisszio.hu/tmp/wikagugejitiv.pdfIn PDF document text
- http://newdimension.su/userfiles/file/84225069229.pdfIn PDF document text
- https://cordovajewelry.com/images/file/87979463071.pdfIn PDF document text
- http://aodaiminhhanh.com/app/webroot/uploads/files/46270886387.pdfIn PDF document text
- http://schuetzenfest-hemeringen.de/ablage/userfiles/files/73749168277.pdfIn PDF document text
- http://austral-immo.com/userfiles/files/92707225310.pdfIn PDF document text
- http://www.smartlandgroup.com/ckfinder/userfiles/files/93120552611.pdfIn PDF document text
- https://khanikango.in/file/jojinapit.pdfIn PDF document text
- http://www.aceitunasdelguadalhorce.es/ckfinder/userfiles/files/wadej.pdfIn PDF document text
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613b552db06d4---24437413300.pdfIn PDF document text
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a7b886f58a---12188876403.pdfIn PDF document text
- http://mazdooradda.com/userfiles/file/bidekege.pdfIn PDF document text
- http://klaaswester.nl/img/file/kuliwakipuz.pdfIn PDF document text
- http://pass38.com/images/contentimages/files/59167418400.pdfIn PDF document text
- https://bursakaynak.com/userfiles/file/xasid.pdfIn PDF document text
- http://nifaelectronics.com/userfiles/file/94245137445.pdfIn PDF document text
- http://maymaygiaydachidang.com/upload/files/44123833531.pdfIn PDF document text
- http://mindennapi.hu/upload/file/45785248302.pdfIn PDF document text
- https://balaji-technology.com/userfiles/file/zovegenivojizulomulofajo.pdfIn PDF document text
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140e4f923ef2---wumuma.pdfIn PDF document text
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133275963fff---36882295462.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_off0000d663.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD663 | 17496 bytes |
SHA-256: 5e8e47086b900b312f87fb5df0a93a76bfdfe9bc86308576b6221c00e8f1659d |
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font_01_sfnt_off000103d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103D0 | 10512 bytes |
SHA-256: 3d5e41af00645640b05514c6ece0eb314be11ccf94246dcb1f28cbd2fdfc1e45 |
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font_02_sfnt_off00011bed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BED | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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