MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many pointing to disposable domains and Weebly-hosted files, indicating a link farm or SEO manipulation tactic. ClamAV and ML classifiers identified this PDF as malicious, specifically flagging it as a phishing trojan. The embedded URLs and the nature of the link farm suggest a potential distribution mechanism for further malicious content or phishing attempts.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://xezojetit.ru/award?keyword=printable+calendar+2020+july+pdf PDF link annotation
- https://tesiriwukabu.weebly.com/uploads/1/3/4/5/134586845/a1bde95.pdfIn PDF document text
- https://pofimutazotoxo.weebly.com/uploads/1/3/4/0/134000188/buxogog_muwunuv_bipuxopix_xizavexidol.pdfIn PDF document text
- https://dijibelusubif.weebly.com/uploads/1/3/4/8/134871127/wovosesubamo_namesesaxuju.pdfIn PDF document text
- https://mazoguwikite.weebly.com/uploads/1/3/4/6/134614920/154550.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4374536/normal_5fe188e62b01e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4412584/normal_60003661cdd4a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4424007/normal_5ff34dbef4142.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4390366/normal_5fe2439f6807d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4474218/normal_5fcaea8957dd1.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/800926a0-452c-41b5-8fc0-c6849096d3a5/whats_another_word_for_non-aggressive.pdfIn PDF document text
- https://9f9bd9fa-00fe-4673-b34e-9a629881f524.filesusr.com/ugd/09273f_82683ce0196642f39245ca99a9e91086.pdf?index=trueIn PDF document text
- https://60659a61-a27b-47ea-8eac-a81775c62269.filesusr.com/ugd/7a7fb1_f3cff96dea364d6599c47a2621a58fa1.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/ac76fc27-313f-4984-ae58-925aedc6ff6d/exercises_on_simple_compound_and_complex_sentences_for_grade_6.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/15624c25-ba2f-47c3-ac87-88afc18f2f89/war_of_the_worlds_book_2_chapter_5_summary.pdfIn PDF document text
- https://665985ba-8e9f-4173-b993-17a3090d61d7.filesusr.com/ugd/08421c_a41339cabf5d422e88d6f1e16f47891d.pdf?index=trueIn PDF document text
- https://17851959-1482-4b49-8222-7b7b0c628459.filesusr.com/ugd/3cb679_20d3b5940f2f457098c6a4057e26115f.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/21db8f5d-9c7f-4184-a99f-799bd2e6f1b8/fatigo.pdfIn PDF document text
- https://1160a196-6e18-49bd-931c-438029629b47.filesusr.com/ugd/40338c_10e115d0e01642ecb1fbb214696ec71d.pdf?index=trueIn PDF document text
- https://29159626-56e2-4eb2-a8c1-eb081f451e44.filesusr.com/ugd/a58502_a7f64c87122241af916d0c9bd2fc02e9.pdf?index=trueIn PDF document text
- https://80b2a579-f9ed-4aa0-b91a-ac3c8973c086.filesusr.com/ugd/353d00_a03e1cfb0d2e48ab8560071f17c2e616.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_off000100b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100B4 | 5564 bytes |
SHA-256: e9b47329d53296a602eec3d8b08b53f380f0518063435c8f6b1cf0082c0bda43 |
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font_01_sfnt_off000113ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113BA | 11392 bytes |
SHA-256: 136a660f7e0f267ca5e3d88b57e914e1a6ffe53409a1edbd750c8ddb0a8b5181 |
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