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 0.9995
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://xajibur.ru/strik?utm_term=how+many+atoms+are+present+in+the+compound+nacl PDF link annotation
- https://subokolabipu.weebly.com/uploads/1/3/2/3/132303028/tudexilogilok-donexiguju-givigemivawirob-wovodisaleki.pdfIn PDF document text
- https://cdn.sqhk.co/xekemini/n9AhjXF/the_legacy_state_college_amenities.pdfIn PDF document text
- https://cdn.sqhk.co/zaliroded/g8IhcpK/happy_glass_full_level_110.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4479454/normal_60089bc41989f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418755/normal_60341fe929297.pdfIn PDF document text
- https://bifukedupojuxi.weebly.com/uploads/1/3/4/4/134498794/5ad7ff21.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447253/normal_5fd1846d6134c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470985/normal_606c63bc1b78e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4425912/normal_605b796ddb499.pdfIn PDF document text
- https://gumewutudeg.weebly.com/uploads/1/3/0/8/130813982/lemegega_tozenulif.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403130/normal_60469b50b014a.pdfIn PDF document text
- https://vunafenivanisip.weebly.com/uploads/1/3/5/3/135303543/nifedorijeso_narimerumovif.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446035/normal_6019914cddeaa.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470035/normal_601474dfb78dd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365551/normal_6067910149562.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4425908/normal_600c3771ebe92.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4472774/normal_606b886d6c417.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414500/normal_5fd8e9d46385c.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
- https://s3.amazonaws.com/winumigutam/big_little_lies_season_2_last_song.pdfIn PDF document text
- https://s3.amazonaws.com/wiwamoxamo/ear_infection_treatment_guidelines_adults.pdfIn PDF document text
- https://s3.amazonaws.com/tinajabizoreguf/86515072595.pdfIn PDF document text
- https://s3.amazonaws.com/lomiwexuva/dean_koontz_books_jane_hawk.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_off0000f9aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9AA | 5352 bytes |
SHA-256: a39fc3c19d58187137550fb43632f876014d4e48a54e06d64792425912fa7eba |
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font_01_sfnt_off00010bb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BB1 | 11412 bytes |
SHA-256: 117a94fec36e35be9ead34748f266b7e3476742830c5c8e038eb6ec4a52dad16 |
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font_02_sfnt_off000132cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132CF | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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