MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. The document body is heavily obfuscated, but heuristics indicate it functions as a link farm, directing users to multiple external PDF files hosted on various domains. One of these URLs, http://mspchicagolaw.com/..., is a direct link to a PDF, suggesting a multi-stage attack or content distribution mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://mspchicagolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gobemedaguvosazexeluvofeb.pdf In PDF document text
- http://mvsexpo.ru/admin/ckfinder/userfiles/files/leponixevodibiduwugatalud.pdfIn PDF document text
- https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/3c422305f626f4c1f0b76670ac5bb9f9/23605128175.pdfIn PDF document text
- http://monikaknoblochova.com/userfiles/file/wuzulatodikekobum.pdfIn PDF document text
- https://piphoto.tw/uploads/files/202109160733472496.pdfIn PDF document text
- http://gma.ge/admin/ckeditor/ckfinder/userfiles/files/20530765376.pdfIn PDF document text
- http://tc-antey.ru/uploads/files/19569405259.pdfIn PDF document text
- http://romengo.com/ckfinder/userfiles/files/98367972006.pdfIn PDF document text
- http://zjgyuanhong.com/v15/Upload/file/2021922128128104.pdfIn PDF document text
- http://kutscher-customs.de/gfx/userfiles/files/60305111235.pdfIn PDF document text
- https://vidaleve.net/ckfinder/userfiles/files/56859399433.pdfIn PDF document text
- http://thementalhealthadvocates.org/files/userfiles/file/wikaxat.pdfIn PDF document text
- http://muaah.ca/userfiles/files/14689605074.pdfIn PDF document text
- https://hbphoto.ca/resimler/files/32434639574.pdfIn PDF document text
- https://tortugafilms.ca/adminfiles/file/24686243284.pdfIn PDF document text
- http://softwarefactory.nl/images/file/12714549746.pdfIn PDF document text
- http://www.almansori-ye.com/almansorifiles/files/35624236244.pdfIn PDF document text
- http://moje-stranky.eu/userfiles/file/45458442527.pdfIn PDF document text
- https://poojaindiangrill.com/nbloom/fckuploads/file/bowumofapakotedojape.pdfIn PDF document text
- http://sarljarry.fr/userfiles/file/49328377377.pdfIn PDF document text
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/qj17cfp64apojpqce5t36iug5g/zuwexenorupijesisi.pdfIn PDF document text
- http://indemo.pl/Image/files/13829983978.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=the+distance+between+us+pdf+freePDF 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_off0000bf48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF48 | 17420 bytes |
SHA-256: 29ce873a3d8a27c11df25c6aa1df917317289632a6c47438a479ca24cb5205b7 |
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font_01_sfnt_off0000ecaa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECAA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000104c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104C1 | 10840 bytes |
SHA-256: 50c9236dfd5fa92200fdf09a3ffb0de7b0440d9e5b5197ed606c1b095935444e |
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