MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The file contains a large number of external links, suggesting it functions as a link farm or phishing lure. While no scripts were explicitly extracted, the PDF structure and the presence of numerous external URLs point towards a phishing or malicious redirection attack, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://krisoc.ru/pbw?utm_term=offline+radio+apps PDF link annotation
- https://cdn-cms.f-static.net/uploads/4383295/normal_6016e0001007c.pdfIn PDF document text
- https://towizitubozabo.weebly.com/uploads/1/3/5/4/135400713/4a2badab50fdabf.pdfIn PDF document text
- https://dujinagipufamod.weebly.com/uploads/1/3/4/5/134587046/tuvaduxi.pdfIn PDF document text
- https://rujunile.weebly.com/uploads/1/3/2/7/132710621/sajak.pdfIn PDF document text
- https://samitezoderedo.weebly.com/uploads/1/3/4/4/134488512/2a89a6.pdfIn PDF document text
- https://padabomax.weebly.com/uploads/1/3/4/6/134681696/neveb.pdfIn PDF document text
- https://kobafanosige.weebly.com/uploads/1/3/4/0/134016660/2809027.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444648/normal_60373d9e3f954.pdfIn PDF document text
- https://lotetirupaxep.weebly.com/uploads/1/3/4/0/134013035/e08fa3e25f8f.pdfIn PDF document text
- https://losewilim.weebly.com/uploads/1/3/4/8/134854933/devixo.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4487007/normal_5fd05d87000e8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417329/normal_6039a73127f2d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369781/normal_5fd3a7cccb87c.pdfIn PDF document text
- https://kubuvapag.weebly.com/uploads/1/3/0/7/130776206/128699.pdfIn PDF document text
- https://xedatuvigino.weebly.com/uploads/1/3/4/5/134580066/b76932e274.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382779/normal_60332dcb24fed.pdfIn PDF document text
- https://ribosotegolexo.weebly.com/uploads/1/3/4/0/134013239/vinokexik.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476011/normal_603fe7377a631.pdfIn PDF document text
- https://rawunawikurek.weebly.com/uploads/1/3/5/9/135967659/kigokar.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/bd277c5c-de05-4345-b44a-c18c94077fd4/somukodagekulavivapowaju.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/939d4246-bf81-4f97-875b-b58b7da7a092/kinetico_model_60.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c592aa68-5126-44d3-9e2b-d394e48c1685/kikubasekufuwakima.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_off0000e5d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5D4 | 5060 bytes |
SHA-256: f071415c1a79943bc793c2fa5cb1b6e814e4960683c8d92ca816192f628b8cff |
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font_01_sfnt_off0000f716.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF716 | 10556 bytes |
SHA-256: f08d2fc19ba4b2397125a36462ccabaf00ac1d559d04fa6d2cdee8bb9ee7a789 |
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