MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was identified as malicious by ML classifiers and ClamAV, flagging it as a phishing trojan. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to direct users to potentially malicious content. The document body, though heavily obfuscated, appears to be a lure related to medical information, likely to entice clicks on the embedded URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://zajinet.ru/wb?keyword=para%20que%20es%20el%20acido%20clorhidrico%20en%20el%20estomago PDF link annotation
- https://verumoxozuvije.weebly.com/uploads/1/3/1/4/131407377/bijiwagod.pdfIn PDF document text
- https://bivixogerixud.weebly.com/uploads/1/3/4/4/134469213/86ec3.pdfIn PDF document text
- https://xigokujote.weebly.com/uploads/1/3/4/6/134649591/gukowegokarerimig.pdfIn PDF document text
- http://kimuzufar.22web.org/juz_30_mishary_rashid_old_version.pdfIn PDF document text
- http://tefosewun.22web.org/faropotazepanu.pdfIn PDF document text
- https://sosuxivi.weebly.com/uploads/1/3/6/0/136056733/rijijun-lanusugetowikov-dimuxa-jesubaxofusix.pdfIn PDF document text
- http://trokot-online.xyz/circuit_breaker_directory_template_freexv5fd.pdfIn PDF document text
- https://pefojefevofat.weebly.com/uploads/1/3/4/6/134659321/xazuxe_bukij.pdfIn PDF document text
- http://mosquito.codes/ritter_m9_ultraclave_manualtlq3b.pdfIn PDF document text
- http://tidirakozodawon.getenjoyment.net/singer_7465_sewing_machine_review.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://davivozerab.rf.gd/what_does_highly_sensitive_mean.pdfIn PDF document text
- https://3176e400-c268-4dc0-8d69-08eae86937f8.filesusr.com/ugd/ea2f88_2d5aa74f503f4f0ab9a3af1388adcf85.pdf?index=trueIn PDF document text
- https://7a48fde5-f9d1-4ce4-84a2-8b156d245d18.filesusr.com/ugd/8127dd_143a156b744b4cfca6fde65aa44a2a1c.pdf?index=trueIn PDF document text
- https://3b0fe5ff-7f86-489c-8138-fc984e51136c.filesusr.com/ugd/bfd78a_112fb17a0b36416bb564408543022ea3.pdf?index=trueIn PDF document text
- https://e0a971b2-7104-4718-9e5f-4f17d768618f.filesusr.com/ugd/6d43b6_9347a93287434e5383cdd711d0434077.pdf?index=trueIn PDF document text
- https://5b2b9875-3923-4577-9ef6-0527498c95e7.filesusr.com/ugd/4e6dd5_6df08621ac4441a2be060accfa0c5241.pdf?index=trueIn PDF document text
- https://9e2b3e3a-6a02-4d3b-8ba9-5acc01041672.filesusr.com/ugd/66c878_9c3b510af2424f379bc50148cd97e00d.pdf?index=trueIn PDF document text
- https://bcd7deca-fd5d-492b-a220-d373ca515bc9.filesusr.com/ugd/12f4eb_2de8bc0407404a5f9f623c9930e09a69.pdf?index=trueIn PDF document text
- http://pigutun.myartsonline.com/lujupitilesajamitof.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://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_off000101f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101F8 | 5480 bytes |
SHA-256: bd96eefdab71284062e3b99b3e23efe5c21aa999e773c15aa61e69eb66a1ff78 |
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font_01_sfnt_off00011465.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11465 | 11692 bytes |
SHA-256: 74bfe87046202933f77be371088004b298cca3823be0e845c086f365ebfc9862 |
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