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 0.9990
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://krisoc.ru/pbw?utm_term=what+are+clue+words+for+compare+and+contrast PDF link annotation
- https://cdn-cms.f-static.net/uploads/4493545/normal_5fd8d4c46f580.pdfIn PDF document text
- https://rufudejipuxege.weebly.com/uploads/1/3/5/3/135347647/4219739.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4480582/normal_60079adb8bf95.pdfIn PDF document text
- https://genamimiwovem.weebly.com/uploads/1/3/1/6/131636881/xewupomezilet.pdfIn PDF document text
- https://xufujakuzizam.weebly.com/uploads/1/3/5/3/135315974/3988260.pdfIn PDF document text
- https://pumelagu.weebly.com/uploads/1/3/2/8/132814433/6a5df22838a7e.pdfIn PDF document text
- https://nojevuxosat.weebly.com/uploads/1/3/4/3/134357696/ee775351e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368788/normal_6054550cdddea.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4419001/normal_601b1230588af.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393503/normal_603f680466ce4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410222/normal_604e93da65cf9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416932/normal_5fd96ba40edc8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387562/normal_6051c6ac3941e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4485580/normal_5fdf48a092a6d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375196/normal_6018dd99e5541.pdfIn PDF document text
- https://solupebasil.weebly.com/uploads/1/3/5/9/135972399/xesaparikoke.pdfIn PDF document text
- https://jofevuwob.weebly.com/uploads/1/3/4/2/134235005/b4330f773b.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
- http://labidan.pbworks.com/w/file/fetch/144479421/simplify_rational_expressions_in_math.pdfIn PDF document text
- http://vifogajo.pbworks.com/w/file/fetch/144485355/intro_to_brain_and_behavior_6th_edition_kolb.pdfIn PDF document text
- http://negaboxa.pbworks.com/w/file/fetch/144454413/tebidudulajunuzekesijo.pdfIn PDF document text
- http://sozakuvepar.pbworks.com/f/does_the_brain_heal_itself_after_damage.pdfIn PDF document text
- http://gosirata.pbworks.com/f/pokemon_lets_go_pikachu_guide_after_elite_four.pdfIn PDF document text
- http://mulasamesi.pbworks.com/w/file/fetch/144513579/3620927144.pdfIn PDF document text
- http://juvupumanut.pbworks.com/w/file/fetch/144498294/movofufi.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_off0000e9e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9E3 | 5332 bytes |
SHA-256: 58230230d6f4b6a651153ef52fe98148b8fd0cfb31b895fed1bee4cb927f09fa |
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font_01_sfnt_off0000fbf6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBF6 | 10384 bytes |
SHA-256: 154d1c9a2f6072c6656c4acde756a04245d5dbee76120478bf5aa3767cf23817 |
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font_02_sfnt_off00011f35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F35 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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