MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing or trojan. It contains numerous links, many hosted on compromised or disposable domains, suggesting a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and unreadable, providing no direct clues, but the heuristic firings strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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://akcjonariusz.com/UserFiles/file/1622071772.pdf In PDF document text
- http://w-w.cn/isee/pfm/cms/uploadfile/fck/file/25347154757.pdfIn PDF document text
- https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/de66d2517a49a566d5c4f0fea61cb353/wutetepadanabutexisuk.pdfIn PDF document text
- https://natatourism.com/userfiles/files/tefobenigixisolo.pdfIn PDF document text
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a59b0bb6c8a---49614275596.pdfIn PDF document text
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607592e9412f5---zatibonozoraxunojazevotu.pdfIn PDF document text
- http://automotiveenergy.cz/userfiles/file/zeronodojofobufiwef.pdfIn PDF document text
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/qukk5pjas4hv3395us0p867cp7/66379472745.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b821fb891a---bonibejakavi.pdfIn PDF document text
- https://kabelkyaobuv.sk/editor_uploads/files/fodasezunez.pdfIn PDF document text
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/16094939f4a0ca---bikazewuzelebofedep.pdfIn PDF document text
- https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/2356cca8fb2bb7fbfc19686b4d097366/penikozaxunazusemofogades.pdfIn PDF document text
- http://firegallery.ru/img/upload/65157214032.pdfIn PDF document text
- http://creativeindustries.ru/uploads/userfiles/file/21133415516.pdfIn PDF document text
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/ee0ee92266bf62506f796701a56e7bf3/42726719167.pdfIn PDF document text
- https://theelementrama9.com/userfiles/files/37353521387.pdfIn PDF document text
- https://connatlas.com/home/conn/public_html/ckfinder/userfiles/files/41241772056.pdfIn PDF document text
- https://avistravel.ro/userfiles/file/timakibum.pdfIn PDF document text
- http://ewinghighclassof1963.com/clients/e/e4/e4cb61fc1babc639533983e887b7272d/File/putotefijutawifo.pdfIn PDF document text
- http://consoles-a-gagner.com/fckeditor/userfiles/file/49909555616.pdfIn PDF document text
- http://somersetcountybar.org/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/85272894871.pdfIn PDF document text
- https://pergamine.com/ckfinder/userfiles/files/regegezixuzupepugezofug.pdfIn PDF document text
- https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/a4df40199c5a185ea854324eed97aaf6/8398134523.pdfIn PDF document text
- http://bertoniamministrazione.it/bertoni/public/file/rijivutolazubizul.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=highest+paid+jobs+in+computer+engineeringPDF 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_off0000dbd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBD6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f3e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3E8 | 15796 bytes |
SHA-256: e9bb4fda9afa373ac39d7d4d5141c9f3783415d9127d94857918cb25e0d881d9 |
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font_02_sfnt_off00011cbf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CBF | 11276 bytes |
SHA-256: 4815a73eab73a7082ccdad52db05e386c0b58205d0e8ef10ee4206c39fac3c1b |
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