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 0.9997
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://crophysi.ru/strik?utm_term=what%2527s+the+yellow+star+in+the+sky+tonight PDF link annotation
- http://lujakivuvig.22web.org/fight_club_book_ending_summary.pdfIn PDF document text
- http://sajitalunaded.22web.org/journal_citation_reports_science_edition_2016.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366335/normal_606caa29dea06.pdfIn PDF document text
- https://sapatipiragibo.weebly.com/uploads/1/3/4/7/134708637/zufexodurixe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368777/normal_60261e63228f7.pdfIn PDF document text
- https://vusuzawemuli.weebly.com/uploads/1/3/0/7/130775102/4269072.pdfIn PDF document text
- https://topasotasakaro.weebly.com/uploads/1/3/0/8/130874498/favibopotodigi_kajoxo.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fuxedoparadob.epizy.com/gubuposug.pdfIn PDF document text
- http://batitesejikak.epizy.com/79289799387.pdfIn PDF document text
- http://devagejoga.rf.gd/narasimha_kavacham_kannada.pdfIn PDF document text
- https://c63359c4-faa5-40af-ad11-254ddd3d100c.filesusr.com/ugd/838c33_b1a8dabeebc14e04b5f52a49fd3da14c.pdf?index=trueIn PDF document text
- https://fdb0147f-387d-4908-9c93-1ccdb5bf775f.filesusr.com/ugd/aea2e0_eabf58346bfc48c2a509b523cdb78f47.pdf?index=trueIn PDF document text
- https://9764c975-acb6-4bd5-a3ff-b1f4624bc9bc.filesusr.com/ugd/5bcb7b_4a05371261424c79be961fccb194930a.pdf?index=trueIn PDF document text
- http://jusujewepexu.epizy.com/mafanigezifegomimaru.pdfIn PDF document text
- http://fuluputig.epizy.com/best_football_manager_games_for_android_2019.pdfIn PDF document text
- https://6c8ebe11-725c-420b-823a-68bc39d02ad2.filesusr.com/ugd/3e87bf_64f06727d8da417e8895f869aefe44e9.pdf?index=trueIn PDF document text
- https://c370dac7-4848-4fa0-a6df-94361299e8ba.filesusr.com/ugd/fa6303_9f9235c66c29405d83e141ec00aa1023.pdf?index=trueIn PDF document text
- https://7e6b698e-d56f-4a21-8c48-787e2f6d39f4.filesusr.com/ugd/7836c9_f2c9ab0c44fd492abe07c1606fe0bba7.pdf?index=trueIn PDF document text
- https://ee67c5b3-b4d3-4257-b425-af55881d3a68.filesusr.com/ugd/c60da7_3faf11c978d746519bd5cb3d71277e8e.pdf?index=trueIn PDF document text
- https://c83cbd6e-a134-4b49-ba12-49f24c654ad9.filesusr.com/ugd/904a8b_fabdf333a98e454189bd916eeeb4bfcd.pdf?index=trueIn PDF document text
- https://36535336-4f9e-4c0a-b1ad-3385cb5d4299.filesusr.com/ugd/15ebe2_31c905fa53d34d3e8d35a4b962d72914.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_off0000e99a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE99A | 5252 bytes |
SHA-256: 877484d68dc1a11ace8b97130f094b957242ce61c63ab2e63f758da44478b5e0 |
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font_01_sfnt_off0000fb96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB96 | 10512 bytes |
SHA-256: f8e0ab989aab7945989a596ab27cf66801b95c9ca6e6d2f6a7e6beabbe2a762b |
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