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 pointing to various PDF files hosted on disposable domains, a common tactic for SEO manipulation or distributing malware. ClamAV and ML classifiers strongly indicate maliciousness, with the PDF being identified as a phishing trojan. Although no scripts were extracted, the structure and numerous external links suggest a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://soxebez.ru/wix?keyword=cells+unit+test+answers PDF link annotation
- http://noxogejukebe.mypressonline.com/40420368854.pdfIn PDF document text
- https://cdn.sqhk.co/satofapo/apjfjis/dajosimojobunok.pdfIn PDF document text
- https://cdn.sqhk.co/ripowusaro/jcgjgcs/funny_animated_emoticons.pdfIn PDF document text
- http://jemulobapamiwu.mywebcommunity.org/nirun.pdfIn PDF document text
- http://mavigawika.scienceontheweb.net/16944880002.pdfIn PDF document text
- https://ranemexamegen.weebly.com/uploads/1/3/4/4/134440137/gututitimidatoxi.pdfIn PDF document text
- https://tozuvosakum.weebly.com/uploads/1/3/4/4/134471329/3104848.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4392656/normal_604fef541b4ae.pdfIn PDF document text
- https://cdn.sqhk.co/fafujedajir/ejeggL6/76350676725.pdfIn PDF document text
- https://cdn.sqhk.co/sozivowemin/gdK60ij/pentagon_wars_quotes.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4470552/normal_5fffe49caa6e8.pdfIn PDF document text
- https://cdn.sqhk.co/dowusutitozi/qiiQ7hi/45661601430.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4488329/normal_603f9d33350f0.pdfIn PDF document text
- https://cdn.sqhk.co/remokuvupen/4ibjegc/zogobekuzabopefol.pdfIn PDF document text
- https://kaxamutibe.weebly.com/uploads/1/3/5/3/135348628/c7c6fa15a.pdfIn PDF document text
- https://cdn.sqhk.co/setewefasari/bhgeQjc/lego_marvel_super_heroes_game_guide.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4456140/normal_603d40fd7b81b.pdfIn PDF document text
- https://cdn.sqhk.co/jatobeguji/a4ia7hf/bamuzu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://lexaxadodazab.rf.gd/what_is_the_towing_capacity_of_a_2011_ford_ranger.pdfIn PDF document text
- http://namepafubi.atwebpages.com/beyond_compare_download.pdfIn PDF document text
- http://sanubexudo.rf.gd/issn_sports_nutrition_guidelines.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_off0000cb82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB82 | 4676 bytes |
SHA-256: 85a882e6005397ea144fbabd8aa985b2572a59e832fac00d7394f665d7baf500 |
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font_01_sfnt_off0000db82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB82 | 10132 bytes |
SHA-256: 60e9d0521f6aeda23fc979d8f6397de4cfbac0d611a1185feef46c88e1addb72 |
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