MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
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://jumiwimov.ru/strik?utm_term=visual+analysis+paper+sample PDF link annotation
- https://cdn-cms.f-static.net/uploads/4381318/normal_6038fc9e5d904.pdfIn PDF document text
- https://nimimetifav.weebly.com/uploads/1/3/2/8/132814674/nagobenojow.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386830/normal_603a05e65c64a.pdfIn PDF document text
- https://vororesefuvemux.weebly.com/uploads/1/3/0/8/130813496/jonim.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412757/normal_604f79e54d5da.pdfIn PDF document text
- https://wetegawufuju.weebly.com/uploads/1/3/5/3/135302163/bodewudeniwe_wofivujonekanus_welawuxogebuvi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4495846/normal_5fdc7142f36fe.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4499984/normal_5fcbca8101b42.pdfIn PDF document text
- https://gimituwemowi.weebly.com/uploads/1/3/4/8/134872285/0b21236f8c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4478414/normal_60627ea7d5f8d.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/549442de-7622-472f-bad0-c0d25afbd769/how_bad_can_i_possibly_be_roblox_id_full.pdfIn PDF document text
- https://s3.amazonaws.com/satedafadusizo/xewenugeb.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1ff79a37-a7cd-45c9-bed7-8515407adbe9/zukejodomizulexowekuxef.pdfIn PDF document text
- https://s3.amazonaws.com/wefadep/tuniniwexa.pdfIn PDF document text
- https://s3.amazonaws.com/jevelel/angry_birds_2_full_movie_filmyzilla.pdfIn PDF document text
- https://s3.amazonaws.com/posaxugidut/texogodivekebovesu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/76f7fc6d-6e03-4fb4-9b71-a1bea3c18ce3/38126972328.pdfIn PDF document text
- https://ede8a7a3-2377-4e09-926a-401222b31c25.filesusr.com/ugd/81c89d_3964a40abb114532bc36fb57d8850c5e.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/0b32f210-27d2-4123-a6d0-6f9aeb249b17/60488194132.pdfIn PDF document text
- https://f26e6bca-ce10-4524-9610-ed5ef7c8d48b.filesusr.com/ugd/ac8c68_b7ce5d6b537f4643994f5c8c120f4382.pdf?index=trueIn PDF document text
- https://3c199e1c-ff83-4553-a351-db1e9419129c.filesusr.com/ugd/424a74_cb610064d6f74488b034c6493a0d1807.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/lerezazo/how_to_get_rid_of_a_blood_eye.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_off0000fdfe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDFE | 5032 bytes |
SHA-256: 75678eb0000c5f3718097ec9c5f2798ae7c62e045db0d32092cb08692fa6e2ea |
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font_01_sfnt_off00010f0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F0F | 10432 bytes |
SHA-256: cae866c7e715849f1bf0f9790f9aff47e324825aa8b89e736b7ba39909568411 |
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