MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing operation. The document body, though heavily obfuscated, contains text related to 'distorted guitar sound' and is associated with a URL containing the same term, indicating a lure. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution.
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://gimoguvi.ru/strik?utm_term=how+to+get+a+distorted+guitar+sound PDF link annotation
- https://mufamemibota.weebly.com/uploads/1/3/1/8/131856380/motobawulakibafedumu.pdfIn PDF document text
- https://fufukarebalomok.weebly.com/uploads/1/3/4/3/134352968/15af94229ebe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4389074/normal_60417c600f496.pdfIn PDF document text
- http://216tilford.com/wosikexesuleraregufabu4nex0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381098/normal_6031d498a2cb9.pdfIn PDF document text
- https://cdn.sqhk.co/poxirowo/jfidQih/nefat.pdfIn PDF document text
- https://rapodiduwegez.weebly.com/uploads/1/3/5/3/135311990/7837788.pdfIn PDF document text
- https://zubisixoligifi.weebly.com/uploads/1/3/4/4/134479514/5719778.pdfIn PDF document text
- http://yewes.fun/mblex_study_guide_2019_freemwr7f.pdfIn PDF document text
- https://cdn.sqhk.co/zetanitanedo/XIggho0/42729841901.pdfIn PDF document text
- https://kiwotatuna.weebly.com/uploads/1/3/1/8/131856308/4064426.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4380068/normal_5ff8af1f39f30.pdfIn PDF document text
- http://skywonder.space/screenwise_meter_malfunctioning87h2n.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://6cbe2f5c-748b-4bc6-b691-25a968a47885.filesusr.com/ugd/d6b5da_8d5a646412464fe4a6ce94c414e9f866.pdf?index=trueIn PDF document text
- https://e6676b24-921d-4f57-8fca-beda98688f3c.filesusr.com/ugd/144d27_a2c44979873c4d41a01145b44d312852.pdf?index=trueIn PDF document text
- https://17851959-1482-4b49-8222-7b7b0c628459.filesusr.com/ugd/3cb679_9b87a1174f874a9296f51b0f0eea922c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/galinikagopit/55793362154.pdfIn PDF document text
- https://s3.amazonaws.com/bubisifapagefe/katalog_claas_consul.pdfIn PDF document text
- https://s3.amazonaws.com/polexebuj/14233724312.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011698.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11698 | 4896 bytes |
SHA-256: 8043e16533c47dba5878fcc02df82912b7fe29f0b2209a4aeb0d678a59f7c825 |
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font_01_sfnt_off00012755.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12755 | 11144 bytes |
SHA-256: 096ed3eb12d041ed34754e88c9414152eb031eeb04653ec75f23e4f7b86c6241 |
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font_02_sfnt_off00014d01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14D01 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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