MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by multiple heuristics and an ML classifier, with ClamAV detecting it as Pdf.Phishing.Trojan. The file contains a large number of external links, many pointing to disposable domains or using UTM parameters, indicating a link farm or phishing attempt. The embedded document body text is heavily obfuscated and unreadable, suggesting it may contain malicious JavaScript or other exploits.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://maypoin.ru/strik?utm_term=flowers+for+algernon+test+common+core PDF link annotation
- https://cdn.sqhk.co/jasurisunav/kjhNCOd/40949575116.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4488315/normal_605f782334f9d.pdfIn PDF document text
- https://cdn.sqhk.co/gupuwiwi/tD7Flib/harris_jayaraj_songs_list_masstamilan.pdfIn PDF document text
- https://cdn.sqhk.co/popaxutu/q0hilib/demolition_derby_2020_ohio.pdfIn PDF document text
- http://axecheat8.xyz/36302870574ankpa.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4455377/normal_6011d300008a5.pdfIn PDF document text
- https://cdn.sqhk.co/xazakamugi/idijzgj/36173839038.pdfIn PDF document text
- http://lollipopa.online/the_art_of_acting_clearly_rolf_dobelli6xz6v.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4527237/normal_5fe83b02ae66c.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/jagux/whites_goldmaster_gmt_metal_detector.pdfIn PDF document text
- https://383fd46b-cc41-47b7-9379-19c19d7bb1fe.filesusr.com/ugd/81c43a_60fb82caf8e84166ba6546fd57586cf7.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wuzalugiseto/bikubodagilikakuve.pdfIn PDF document text
- https://65fca3b3-7ce8-4d56-9bc8-ebe46cc5223b.filesusr.com/ugd/f6ed72_3c448033da534e2c96a88eaa39c822ae.pdf?index=trueIn PDF document text
- https://883cd1dc-02d0-4059-8fa2-99201f92b631.filesusr.com/ugd/6166c9_6d072a7eb96946e781a5206414a7887a.pdf?index=trueIn PDF document text
- https://22fea36a-5e19-4af1-b4aa-fe6e1efe0ee9.filesusr.com/ugd/b5a188_2b6e341f7a8541339267902369762c69.pdf?index=trueIn PDF document text
- https://c5b3e1fc-3b55-407d-a8d9-2bfa6c9015c1.filesusr.com/ugd/6df244_35a6a51388bf45f1a12256051f783736.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wudibirewuduto/27987309160.pdfIn PDF document text
- https://s3.amazonaws.com/musoxifuvitalo/dobekurezadotatosonazez.pdfIn PDF document text
- https://6f8cb219-4830-455d-9ced-b55e65700e85.filesusr.com/ugd/fd30ac_5749cba2a3c94b19b1969771213d8676.pdf?index=trueIn PDF document text
- https://5ac9d038-517d-4536-97f6-676423289421.filesusr.com/ugd/b444d4_7a7fa074fdf34148b6364e5b4ac444ef.pdf?index=trueIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ea57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA57 | 5248 bytes |
SHA-256: 023af9ae4477c99379d083bdba69a5ec6127de35884fc596de8e3c7f148cd358 |
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font_01_sfnt_off0000fc30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC30 | 10900 bytes |
SHA-256: 8239cc1e4a547ebb6349942a4bac0650fe3eab6730eca61747d1b24bc94e78e8 |
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