MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by multiple heuristics, including a critical ClamAV detection and an ML classifier flagging it as a phishing trojan. It contains a large number of external links, indicating it functions as a link farm designed to redirect users to potentially malicious websites. The presence of numerous URLs, many hosted on disposable domains, strongly suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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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://ponafet.ru/123?utm_term=azan+alarm+app+free PDF link annotation
- https://cdn.sqhk.co/bosesegivu/fgdjhhd/makipufeninul.pdfIn PDF document text
- http://bepibolet.22web.org/french_english_pronunciation_guide.pdfIn PDF document text
- https://binazinir.weebly.com/uploads/1/3/4/1/134108718/6198370.pdfIn PDF document text
- https://bajorenurelop.weebly.com/uploads/1/3/0/7/130739037/736303949c1c.pdfIn PDF document text
- https://cdn.sqhk.co/vuwipabobatu/hSQhZge/12377584663.pdfIn PDF document text
- https://cdn.sqhk.co/regavebike/hmij9hc/lemon_bundt_cake_recipe_gluten_free.pdfIn PDF document text
- https://nujazovarurep.weebly.com/uploads/1/3/1/8/131856890/lividigolij_tizidinisep.pdfIn PDF document text
- https://cdn.sqhk.co/jabosuve/vDigRAs/22940068170.pdfIn PDF document text
- https://guxojifupu.weebly.com/uploads/1/3/1/4/131438233/pemukewarel_molibopuros.pdfIn PDF document text
- https://gomepenet.weebly.com/uploads/1/3/0/8/130874128/zuvuwowaro-kijodifamedepi-fefuke-roxenej.pdfIn PDF document text
- https://cdn.sqhk.co/vejuwozigef/ihxJhcJ/bodanilodawitokek.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://a8a70d16-e3f0-4805-b115-4d8c62c40b57.filesusr.com/ugd/82e28d_42f5f02edcf24469ad265958f8a69b32.pdf?index=trueIn PDF document text
- https://df256b98-640c-444d-885a-8195c7360722.filesusr.com/ugd/40b9e6_aaa7a6c2e27e4cec9eebd57dc679c45f.pdf?index=trueIn PDF document text
- https://cc968bdf-8a18-4a65-a72d-893c706ef441.filesusr.com/ugd/bae363_98fbbb26d7aa49fc976c5d1fe667ed1c.pdf?index=trueIn PDF document text
- http://pokezuturev.rf.gd/watchman_nee_biografia.pdfIn PDF document text
- http://nokemufebevezo.rf.gd/logudokuweniguvofa.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
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_004_off0001031d.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x1031D | 18964 bytes |
SHA-256: 8ab35ad163718a53755156552bd014f91175276451ae3d5aaae40138a056a4a9 |
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font_00_sfnt_off0000cc79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC79 | 4908 bytes |
SHA-256: 4a6dca4c32bb4ebc04e367c498f9eb032241f22964ca1ae302b2616781e3562b |
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font_01_sfnt_off0000dd1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD1F | 11092 bytes |
SHA-256: be29baa9814c16272051400ae0fb79592726e05149ca593dc5ce9f27ebe3791f |
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