MALICIOUS
226
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. It uses a password-protected-archive lure. 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 0.9994
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://druttle.ru/strik?utm_term=how+to+download+need+for+speed+underground+2+for+pc+free+full+version+2013 PDF link annotation
- https://kanapajuzusuma.weebly.com/uploads/1/3/4/5/134589940/db59fc7697.pdfIn PDF document text
- https://puluzoxaxidu.weebly.com/uploads/1/3/2/6/132683087/rupukexero-motolara-rileko-zesuram.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4487623/normal_60590f4ae4222.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387573/normal_600e631284371.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4483336/normal_6023e3a715c0c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4479226/normal_5fc88b63d585f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4371013/normal_6061f7a8d007f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370746/normal_604e38e900305.pdfIn PDF document text
- https://xexajuxeleseg.weebly.com/uploads/1/3/4/5/134592224/575266759.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4445729/normal_5ffb5bf5c796f.pdfIn PDF document text
- https://nidukonijeso.weebly.com/uploads/1/3/1/3/131381088/e9dbe8fb17f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490141/normal_5fd350308fcdd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4492281/normal_602eb626b7937.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4370080/normal_5fff6dc48eeea.pdfIn PDF document text
- https://busudege.weebly.com/uploads/1/3/4/3/134392642/4016097.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459059/normal_60239fcf6e69c.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/tezude/online_application_form_pup.pdfIn PDF document text
- https://s3.amazonaws.com/batiku/home_alone_2_full_movie_480p.pdfIn PDF document text
- https://s3.amazonaws.com/xedewofuretujo/33758389590.pdfIn PDF document text
- https://s3.amazonaws.com/vunizi/21268707687.pdfIn PDF document text
- https://s3.amazonaws.com/xuzed/suritiwiwazulutebigemezus.pdfIn PDF document text
- https://s3.amazonaws.com/remuv/98215310208.pdfIn PDF document text
- https://s3.amazonaws.com/belapawerezuju/smackdown_results_2018_bleacher_report.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_off00012700.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12700 | 5924 bytes |
SHA-256: 2a3362503732a3ffbc0fe64cf9b2be8ceca38cf2eb913a02386af501056028e4 |
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font_01_sfnt_off00013b61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B61 | 10900 bytes |
SHA-256: dc379797a00e4416153623f7a3434c37e5dc12e2aad037c349c27e9974d74b11 |
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