MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many hosted on disposable domains, indicating a link farm designed to redirect users to potentially malicious content. Heuristics like 'PDF_SEO_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggest this malicious intent. The ClamAV detection and ML classifier further confirm its malicious nature, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://bologen.ru/strik?utm_term=family+and+friends+3+workbook PDF link annotation
- https://lujumibuxoze.weebly.com/uploads/1/3/5/3/135350241/dokolugomarupugis.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385011/normal_601877611ceda.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418399/normal_6068dcd11c20a.pdfIn PDF document text
- https://dewixazupeteti.weebly.com/uploads/1/3/1/4/131455636/018014017034.pdfIn PDF document text
- https://pobunusegem.weebly.com/uploads/1/3/4/4/134460984/8083881.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376372/normal_60285b2d6c36d.pdfIn PDF document text
- https://sobopagugakevul.weebly.com/uploads/1/3/4/8/134881985/464e5f95.pdfIn PDF document text
- https://fopozawiluni.weebly.com/uploads/1/3/4/3/134383369/vagega.pdfIn PDF document text
- https://sufifova.weebly.com/uploads/1/3/4/7/134736026/jadifebipux-binaxu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4484995/normal_606142db9b142.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4482012/normal_5ffdb86b61443.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501204/normal_605942e8befbc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413223/normal_604bc7ba7d0d4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412394/normal_6045f711795e5.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/jemisajoda/benenevusebewawe.pdfIn PDF document text
- https://s3.amazonaws.com/rujimidujek/fender_mustang_3_100_watt.pdfIn PDF document text
- https://s3.amazonaws.com/dosipive/the_vampire_diaries_season_8_episode_11_reaction.pdfIn PDF document text
- https://s3.amazonaws.com/sivanira/fumefuvakit.pdfIn PDF document text
- https://s3.amazonaws.com/dowesitobuga/63613142309.pdfIn PDF document text
- https://s3.amazonaws.com/xufujofaleki/robulojis.pdfIn PDF document text
- https://s3.amazonaws.com/pululusodogi/zuwuvef.pdfIn PDF document text
- https://s3.amazonaws.com/godoremitiwuja/catch_me_if_you_can_trailer_youtube.pdfIn PDF document text
- https://s3.amazonaws.com/fukepez/78217514440.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_off0000f28f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF28F | 5572 bytes |
SHA-256: 87da64ce09ed5c5520dff4de3b69613a67bafd7b54a6161d099d28e364611b71 |
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font_01_sfnt_off0001058a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1058A | 10348 bytes |
SHA-256: 1eb90011cc58e2e4be875cf79cd3835394ef4e9259698851cfb4edd93c4f47d1 |
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