Malicious PDF — malware analysis report

Static analysis result for SHA-256 e01a5321ae14108a…

MALICIOUS

PDF

67.1 KB Created: 2020-12-16 20:03:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-07
MD5: f16618c064caf8b42d2028df1c903df3 SHA-1: 2d3ac4bfa1378cd48b6dfd6a5c91a26aecb2df16 SHA-256: e01a5321ae14108a9632fb0f2a1000d729e157b12962454c3b4860f5b3c55adc
156 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. It contains a large number of external links, indicating it functions as a link farm for SEO purposes. The primary malicious URL identified is trafffi.ru, which likely serves as a distribution point for further malicious content or phishing attempts.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The 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.
  • Embedded URL info EMBEDDED_URL
    One 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://trafffi.ru/strik?utm_term=wolfgang+deep+gloss+paint+sealant+on+glass PDF link annotation
    • https://zavebunerug.weebly.com/uploads/1/3/4/3/134358754/vuwifetosasipa-biwexe-pimililumazox-vuxavuxogiwedak.pdfIn PDF document text
    • https://robavefozaxun.weebly.com/uploads/1/3/4/3/134379548/5067686.pdfIn PDF document text
    • https://pavowojavujide.weebly.com/uploads/1/3/1/3/131398322/rexozidirurakovoga.pdfIn PDF document text
    • https://vepiduworubul.weebly.com/uploads/1/3/4/7/134723348/ginujapubire-xomeri-luwusafe-kewetun.pdfIn PDF document text
    • https://jopomewimedadi.weebly.com/uploads/1/3/4/4/134465277/lamipunotebok.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/4a1ee0f6-0703-45a4-a43f-a27f1196c41a/13_reasons_why_audiobook_chapter_1.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc546b6a13a450bab114660/t/5fcd5aa705ddc9599d3292db/1607293608618/31027770927.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc51ce4d26ff1194f8f2d2c/t/5fd6de375b1f6f7539e93a89/1607917118925/gilobapexazofonuzinikara.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0d9d28787e879896bb85a/t/5fc430a918e72e5fdb5c9ad2/1606693034987/59729457657.pdfIn PDF document text
    • https://s3.amazonaws.com/jupevuxirapi/62921224416.pdfIn PDF document text
    • https://s3.amazonaws.com/limepusotanal/5021543551.pdfIn PDF document text
    • https://s3.amazonaws.com/vezumobigodub/2442950754.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0dbf0116eb00e3c4bba69/t/5fd1af15eeaf2774ac8b19d7/1607577367316/77795275377.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c946.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC946 5124 bytes
SHA-256: 0ef7d2d31c5ca8e0552015e87273b2199450b977665a9c3ba7a19de3389c4b25
font_01_sfnt_off0000dae2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDAE2 10736 bytes
SHA-256: d294819436a45668f7d0a656ae9dd1ab97a372d43d9b96b7dc1d8a2a0ba771e7

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