MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF document that contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO spam operation. The document body, though heavily obfuscated, appears to be related to a search query, further supporting this. ClamAV and ML classifiers also flagged the file as malicious, with ClamAV identifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://seumenha.ru/strik?utm_term=what+are+the+major+differences+between+arteries+and+veins PDF link annotation
- https://xirejefeju.weebly.com/uploads/1/3/4/7/134723985/pejotidevutoj-fuvutabena-fijusidurotosu.pdfIn PDF document text
- https://dubibezu.weebly.com/uploads/1/3/1/4/131453247/4e71a1.pdfIn PDF document text
- https://lujututuvaribo.weebly.com/uploads/1/3/4/3/134339905/zimifediti_welufad_simonofexetipo_sozokunesure.pdfIn PDF document text
- https://dexasarejujevi.weebly.com/uploads/1/3/1/4/131454537/weniwuzanuxo.pdfIn PDF document text
- https://kodidorimo.weebly.com/uploads/1/3/1/3/131380292/vaxepun.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4466140/normal_5fd2c05c14a5d.pdfIn PDF document text
- http://telovajov.medianewsonline.com/does_leo_die_in_the_blood_of_olympus.pdfIn PDF document text
- http://wobafobigo.mywebcommunity.org/slope_of_parallel_and_perpendicular_lines_worksheet.pdfIn PDF document text
- https://gemuvubakada.weebly.com/uploads/1/3/4/4/134494784/7094744.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381751/normal_601f03fcf1bd2.pdfIn PDF document text
- https://fumitalabojaluk.weebly.com/uploads/1/3/5/3/135399187/zufogoxip-duwemefirepiw-bexilu-dovexewokaxaf.pdfIn PDF document text
- https://pekireraseg.weebly.com/uploads/1/3/4/7/134720831/bibowavobe_bazurojumido_jodalafodej_nutevi.pdfIn PDF document text
- https://jolezutixuzusav.weebly.com/uploads/1/3/4/6/134605000/bofalavuleremer.pdfIn PDF document text
- http://tututot.mygamesonline.org/93590375703.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4481058/normal_6004e31f30dfb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4456372/normal_605e206176641.pdfIn PDF document text
- http://bixekakazozerol.mywebcommunity.org/categorical_syllogism_venn_diagram.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/banula/quotes_from_roald_dahl_the_witches.pdfIn PDF document text
- https://e966359d-176b-477a-9ad9-c314bea94227.filesusr.com/ugd/fa6f14_4efe3cd1ebfc43cc82dab04e4978e5c4.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zikeko/nutakasawugot.pdfIn PDF document text
- https://s3.amazonaws.com/wovugi/carnivores_ice_age_hunter_mod_apk.pdfIn PDF document text
- https://b9e1b105-38e0-4bbf-baad-90de1e2021e1.filesusr.com/ugd/432b07_e6867a19724b41e9b657d2f7626742d9.pdf?index=trueIn PDF document text
- http://rukosivujuxu.atwebpages.com/77772672127.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_off0000f496.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF496 | 5612 bytes |
SHA-256: a2ef788d404503f976a08967474f9fe1f93a5d326373be45bf00ed93b9798da2 |
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font_01_sfnt_off0001079d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1079D | 10312 bytes |
SHA-256: 258b31e45ce4f0fef1276e5373e106fe1e6ca652a33119a8c742223a931494db |
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