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-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://zajinet.ru/strik?utm_term=what+reading+level+should+my+4th+grader+be+at PDF link annotation
- https://zanobevaduj.weebly.com/uploads/1/3/2/6/132682049/b23c30b99f14c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415770/normal_602170b3a6a3a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4401540/normal_6028557774b9c.pdfIn PDF document text
- http://vipmanmarket.space/53253917306bnstm.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4448733/normal_5ffef96e6f4c1.pdfIn PDF document text
- https://ganepivojo.weebly.com/uploads/1/3/4/7/134774155/5129559.pdfIn PDF document text
- http://clientbluebadge.com/2014_polaris_sportsman_400_ho_top_speedycj7y.pdfIn PDF document text
- https://pazerutafu.weebly.com/uploads/1/3/5/3/135392620/ruzotarumofelipan.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470533/normal_60493b8230330.pdfIn PDF document text
- http://roflan.site/chicken_invaders_5_christmas_edition_freex0k9c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4388060/normal_5fcb14c99694c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374185/normal_604e2d0619ad7.pdfIn PDF document text
- https://rogifegupoxixo.weebly.com/uploads/1/3/4/0/134040774/patewuj-kuxir-pijof.pdfIn PDF document text
- https://naxufagu.weebly.com/uploads/1/3/4/7/134713872/wakavoferorul.pdfIn PDF document text
- https://kikosezuzo.weebly.com/uploads/1/3/1/3/131378972/pagaxisasa-dobitujiramola-kelaboporaxu-tinanunefu.pdfIn PDF document text
- http://usechambre.xyz/how_to_cover_a_central_air_conditionerkuog7.pdfIn PDF document text
- https://kofitabalu.weebly.com/uploads/1/3/0/7/130775223/nerukotatus-vexaki-sajowafuxat-vikofe.pdfIn PDF document text
- http://khareedforosh.com/definicion_de_cuidado_de_enfermeria_segun_varios_autoresre9a6.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/dinilederu/chutkule_photo_2019_hd.pdfIn PDF document text
- https://s3.amazonaws.com/lumixi/15520389326.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_off0000e910.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE910 | 5644 bytes |
SHA-256: 201b741987d377f7dada0bb4e11c12cb90c45f3542a421d623aa57af5478378c |
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font_01_sfnt_off0000fc32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC32 | 10956 bytes |
SHA-256: b13748cb18452904290d9a5183ce9a64559706264e3b664baeb5313069d76998 |
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