MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF was identified as malicious by ClamAV and an ML classifier. It contains numerous embedded URLs that form a link farm, with several pointing to compromised WordPress sites. The document body is heavily obfuscated, but the presence of external URIs and link farm heuristics strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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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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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://coretry.ru/uplcv?utm_term=how+to+recover+permanently+deleted+files+from+android+phone PDF link annotation
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/fi7alrn1nr2i0te101its7i2ns/futivapisimugavomatuvokel.pdfIn PDF document text
- https://keralahappyjourney.com/ckfinder/userfiles/files/92249799897.pdfIn PDF document text
- http://sakem.org/userfiles/files/zidotijulin.pdfIn PDF document text
- http://mopi.eu/ckfinder/userfiles/files/17227707221.pdfIn PDF document text
- http://upakuika.com/img/file/71829432905.pdfIn PDF document text
- https://egyseg.eu/ckfinder/userfiles/files/27518327661.pdfIn PDF document text
- https://wtmasonry.com/ckfinder/userfiles/files/15036112546.pdfIn PDF document text
- http://missteenqueenuk.com/userfiles/file/44731507750.pdfIn PDF document text
- http://greensketch.in/userfiles/file/betisuvewuzibuzisisinag.pdfIn PDF document text
- http://keralastatetailorsassociation.com/userfiles/file/wubetujoderujeboro.pdfIn PDF document text
- http://chongqinghaohong.com/upload/files/23281268271.pdfIn PDF document text
- https://szalkasszorutacskok.hu/app/webroot/files/content/files/36679188252.pdfIn PDF document text
- http://trubaopt.ru/content/file/wavubonopeniverogi.pdfIn PDF document text
- http://cdn.eagle.mn/uploads/userfiles/files/14634752019.pdfIn PDF document text
- http://findusafranchise.com/files/files/59592138643.pdfIn PDF document text
- http://jyjwqj.com/uploadfile/file///2021090601481853.pdfIn PDF document text
- http://www.mezmat.ru/ckfinder/userfiles/files/91611685903.pdfIn PDF document text
- http://technoprofile.ru/userfiles/file/jagagofakarigabovosewagef.pdfIn PDF document text
- http://ed-union05.ru/files/file/86474692360.pdfIn PDF document text
- http://chenruichem.com/upload/files/67814243711.pdfIn PDF document text
- http://efuturesthai.com/uploads/file/99977940134.pdfIn PDF document text
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16131b2ec49906---72726998645.pdfIn PDF document text
- http://hoaiduc.edu.vn/ckfinder/userfiles/files/gojuninekol.pdfIn PDF document text
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/254bd47b6306cb89888557bfd8368aea/zogusulakusev.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_off0000e77e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE77E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ff95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF95 | 11140 bytes |
SHA-256: 3b5a7953167cc381cbc67d332898378ae5528ef3bff317e26df7120b4a873ae3 |
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font_02_sfnt_off0001196b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1196B | 18468 bytes |
SHA-256: 32e1a491f60547cd1fa58bf6577e378333e5a53093487b2d4bb889edcb41b23e |
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