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 0.9996
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://nipisod.ru/strik?utm_term=anatomy+and+physiology+lab+manual+exercise+6+answers PDF link annotation
- https://static.s123-cdn-static.com/uploads/4366028/normal_5fdd5a76bccea.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4384050/normal_5fdd82d28e10c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4425255/normal_6000996c4cac4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4464525/normal_60564590dcc2f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403543/normal_601f2c620d2ed.pdfIn PDF document text
- http://zuvalasit.mypressonline.com/nezidaxo.pdfIn PDF document text
- http://podifodosej.scienceontheweb.net/english_speaking_course_urdu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://748e62c5-a849-4dff-87e7-3b5f74cb3522.filesusr.com/ugd/0df896_204ead4a54b64be2a891488345d89b39.pdf?index=trueIn PDF document text
- https://54957a25-093b-4cbd-a4f0-8eb5fea931f0.filesusr.com/ugd/8ba634_b96e6694ba2b45d6bf24fbb05a418f21.pdf?index=trueIn PDF document text
- http://vexidolovosope.rf.gd/aadat_tu_meri_song_status.pdfIn PDF document text
- https://a0f88182-e1f9-4a9c-ba22-d5ce004c6985.filesusr.com/ugd/2f3216_47cbaebf1d8e4357951dfa16e50dd396.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/womirofop/polymers_class_12_ncert_notes.pdfIn PDF document text
- https://7fd672c9-0ac8-42d3-9d3c-9ebb2fbea2b4.filesusr.com/ugd/92785a_2649369e14ec435baf49ca08978c6cc8.pdf?index=trueIn PDF document text
- https://ce55c564-0e79-48ac-bd91-a034cff8554b.filesusr.com/ugd/bd1fc0_11ffeabe537b48d0bea027070078c32a.pdf?index=trueIn PDF document text
- http://momoxorepuvo.epizy.com/adharvam_film_song.pdfIn PDF document text
- http://ribobejan.rf.gd/data_mining_concepts_and_techniques_lecture_notes.pdfIn PDF document text
- http://fepoxojosatomu.epizy.com/kabowinapeb.pdfIn PDF document text
- https://d451e762-8e00-4155-9971-9512d28d2528.filesusr.com/ugd/b52961_fa78466b0c2e4870b5da3afc90f06b31.pdf?index=trueIn PDF document text
- https://c1e70603-6ca1-47bc-880b-b60d7d434995.filesusr.com/ugd/df625d_5c277edf79d74d32b888628e5df66eaf.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wazagidonux/enlightenment_meme_format.pdfIn PDF document text
- https://7f3dc8b3-869c-44c5-82eb-14ae88d57796.filesusr.com/ugd/dc4ca1_ca170b9aaa09410fb40f3ad2b274582e.pdf?index=trueIn PDF document text
- https://fea67d75-dd3b-4bdd-af05-748e92ec8a52.filesusr.com/ugd/05900a_2a6123c721914eaba0cbab46c9bb07e8.pdf?index=trueIn 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_off0000ddb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDB5 | 6032 bytes |
SHA-256: c25e0ab071c7ce259f386818efe99659f3db359c733a153759bb2017d6f0fbe6 |
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font_01_sfnt_off0000f22f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF22F | 10708 bytes |
SHA-256: 5a1a057220fdc85026844257814b8805588e531939dbbf3aab6c5d5ffd73e5bf |
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