MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics indicate the PDF contains a link farm pointing to multiple compromised websites and disposable hosting, suggesting a phishing or malware distribution scheme. The document body is heavily obfuscated and unreadable, preventing further analysis of its specific content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://zubrcup.by/files/files/mimudopakupezem.pdf In PDF document text
- http://cukiernia.eu/upload/files/37354113224.pdfIn PDF document text
- http://andrelandberg.com/userfiles/file/36121046823.pdfIn PDF document text
- http://harc-ias.vn/Images_upload/files/zoselekogino.pdfIn PDF document text
- http://impex-italia.it/userfiles/files/wedepef.pdfIn PDF document text
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ecb21b5b61---64715662382.pdfIn PDF document text
- http://angel-conference.org/upload_fck/file/2021-9-1/20210901083037731431.pdfIn PDF document text
- http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160798387ee3bc---livum.pdfIn PDF document text
- http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/160813c38867b9---pepos.pdfIn PDF document text
- http://baugeraeteverleih.de/benutzerdateien/munowifa.pdfIn PDF document text
- http://tatugigo.com/ckfinder/userfiles/files/79979408707.pdfIn PDF document text
- http://esistore.de/userfiles/file/37272962075.pdfIn PDF document text
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/odpah1gki620192837earkipc2/wivedikugiruwazogonebuv.pdfIn PDF document text
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/02a56083a00638b1045f3ca937880d19/lonezosaduvegon.pdfIn PDF document text
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1610480232ea7d---97313873812.pdfIn PDF document text
- https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/a5ek6af82hbknm88d1nknqqel2/7347549313.pdfIn PDF document text
- http://huichem.com/ckfinder/userfiles/files/wojexafed.pdfIn PDF document text
- http://daehwa.info/uploaded/file/16437948158.pdfIn PDF document text
- https://ohcsi.com/ckfinder/userfiles/files/18151679081.pdfIn PDF document text
- http://3q1p.com/upload/file/210901143205402626cvfu586r0d7z.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=excel+2016+formulas+wiley+pdfPDF 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_off0000d8b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8B7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f0c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0C9 | 17292 bytes |
SHA-256: 5119f4fc08db1cf053db8e11a9e43391977a83ff14b9525c9644899174f9488c |
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font_02_sfnt_off00011e38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E38 | 11424 bytes |
SHA-256: e98dbaba5224fb362d82b7f8201a17a2334e105f1c3ad79e365cc099b363e9b9 |
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