MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by multiple heuristics as malicious, including a high ML score and ClamAV detection. It contains numerous links to external websites, many of which are hosted on compromised CMS uploads or appear to be part of a link farm, suggesting a phishing or malware distribution lure. The document body is unreadable, but the presence of external links and the overall detection profile strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
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 http://xn--o79av69abka850ab6c.com/upload/file/202106010549145401.pdf In PDF document text
- http://richardarnoldalumni.com/clients/a/ad/ad1dcfa6f69ac51e3fe6bec18f6cf6d6/File/xadefoto.pdfIn PDF document text
- http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b76d911e159---11558753654.pdfIn PDF document text
- https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/abp9a1j32u70vbudniveik6dpn/wuvodopubajeligavosopuv.pdfIn PDF document text
- https://caravanandre.it/wp-content/plugins/super-forms/uploads/php/files/fab7a4ce710e55022a0f22400a516212/jetisijef.pdfIn PDF document text
- https://careersourceokaloosawalton.com/files/public/vuradafir.pdfIn PDF document text
- https://banghenails.com/upload/file/32931620109.pdfIn PDF document text
- http://faradbox.pl/files/file/32552292178.pdfIn PDF document text
- http://matstravel.ru/userfiles/file/xozomowobofosir.pdfIn PDF document text
- https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/vqc9atu0707rgac0av115n8vdb/volabam.pdfIn PDF document text
- http://cybernet.asia/UserFiles/File/16409565231.pdfIn PDF document text
- http://qbcar.ru/ckfinder/userfiles/files/89935364495.pdfIn PDF document text
- https://chp-travel.ir/data/file/teponuvojamogopo.pdfIn PDF document text
- http://evohome.pl/userfiles/file/fixupafogemosuzomidegiw.pdfIn PDF document text
- https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/cbf040edba585a31d015a4c804e1ac5a/negomadevalovukutifukadaf.pdfIn PDF document text
- http://heninrealty.com/userfiles/files/gukuwelerawogiponedibe.pdfIn PDF document text
- http://kolaykanal.com/userfiles/files/37505239581.pdfIn PDF document text
- http://jfe.hk/userfiles/47962265648.pdfIn PDF document text
- http://aprendanow.com/wp-content/plugins/super-forms/uploads/php/files/9631e43d3b310f0bfc857624e0a279dd/vetufuxagowag.pdfIn PDF document text
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bc77a577412---watalosuwi.pdfIn PDF document text
- https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e1b43b53805---negurev.pdfIn PDF document text
- http://www.fonfe.com/uploads/files/47606680541.pdfIn PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a8e05358cf0---lipenuwodikuzabuwojika.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=what+do+you+need+to+get+your+twic+cardPDF link annotation
- 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_off0000fa6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA6E | 16412 bytes |
SHA-256: 1d881458d18031f04454c6e41122186a490906182794c266daf1b5ec00c2214b |
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font_01_sfnt_off00012513.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12513 | 10728 bytes |
SHA-256: 1a0608d7518d5077c488abe97a53cd22b951e2f564adcf1c0342ef1e63221bd0 |
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font_02_sfnt_off00013d88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D88 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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