MALICIOUS
246
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 brand-impersonation credential phishing. 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 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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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Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://rubavuwo.weebly.com/uploads/1/3/4/4/134403239/saxilawanuxikebokup.pdf.
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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://cructi.ru/pbw?utm_term=handling+customer+complaints+worksheet PDF link annotation
- https://rubavuwo.weebly.com/uploads/1/3/4/4/134403239/saxilawanuxikebokup.pdfIn PDF document text
- https://derajuxojop.weebly.com/uploads/1/3/1/4/131452827/5604a.pdfIn PDF document text
- https://nutakiderovex.weebly.com/uploads/1/3/4/6/134622867/kokuvuzizavoletet.pdfIn PDF document text
- https://sutenemumam.weebly.com/uploads/1/3/5/3/135323571/2189401.pdfIn PDF document text
- https://lilikisewusufod.weebly.com/uploads/1/3/2/6/132682662/3701634.pdfIn PDF document text
- https://jadibezunapav.weebly.com/uploads/1/3/4/6/134610372/eb621e7724.pdfIn PDF document text
- https://gugukufetufa.weebly.com/uploads/1/3/4/3/134337187/getamewixakufuxaku.pdfIn PDF document text
- https://zomurudol.weebly.com/uploads/1/3/4/4/134492975/1496949.pdfIn PDF document text
- https://pimedoxeniku.weebly.com/uploads/1/3/4/6/134640330/gurumiresula.pdfIn PDF document text
- https://bixanizutojez.weebly.com/uploads/1/3/4/4/134490846/5102267.pdfIn PDF document text
- https://mopobaseburole.weebly.com/uploads/1/3/4/8/134859053/wifazazutosuze-popizifevener-kofaputudibo-mivuf.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/d98c991c-2a85-4acf-9d07-ae94574b7145/bloody_roar_2_juego_descargar_gratis.pdfIn PDF document text
- http://gozuwef.pbworks.com/w/file/fetch/144522900/bloody_roar_2_portable_download_for_android.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cdd34024-7a9f-45d7-a71d-cb6603d34832/96839143042.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/df1df068-aa92-400a-96f0-b6c38ee8ab10/13067151127.pdfIn PDF document text
- http://sepasakeg.pbworks.com/w/file/fetch/145243707/45481481637.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/097fd328-b5a6-42be-956c-b23bbf2a17da/how_much_should_i_invest_in_shares_as_a_beginner.pdfIn PDF document text
- http://gutupum.pbworks.com/f/676800013.pdfIn PDF document text
- http://sipibujewadu.pbworks.com/f/85750579822.pdfIn PDF document text
- http://xalomuzavege.pbworks.com/w/file/fetch/144674184/sample_emergency_motion_to_stay_writ_of_possession_florida_foreclosure_judgement.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_off0001395c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1395C | 5604 bytes |
SHA-256: fc7c250e25ad7429f73f9acd889d84e01960d0e904ca20c3c3276cdd433bb8ce |
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font_01_sfnt_off00014c4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14C4C | 10216 bytes |
SHA-256: e76973965a5e026a3d9580043cb046640a17efac6d569be9bc0b069423d6998a |
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