Malicious PDF — malware analysis report

Static analysis result for SHA-256 7174099d933cf599…

MALICIOUS

PDF

80.9 KB Created: 2020-12-18 19:18:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 067888ac3272441dfe1ddcbd57d13c9b SHA-1: b5aaef812ea105ec4e38cca9523cbc4874f7a70c SHA-256: 7174099d933cf599b413984d9a684b64282755afcb8f129ea291d33744054f4c
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF file contains an embedded URL that leads to a suspicious domain, identified by heuristics as potentially malicious and flagged by ML classifiers. The document body, though heavily obfuscated, suggests a lure related to an order or notification, consistent with phishing tactics. The presence of an external URI and the ML classification strongly indicate a malicious intent to redirect the user to a harmful site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://trafftec.ru/strik?utm_term=sunken+temple+statue+order PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4366031/normal_5f8714024ae3c.pdfIn PDF document text
    • https://relotozaku.weebly.com/uploads/1/3/4/2/134266658/cb7a0852ed.pdfIn PDF document text
    • https://ziwarafe.weebly.com/uploads/1/3/4/3/134306838/4511c4d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4367299/normal_5fc46c8257c9c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387241/normal_5fa9ce536f003.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4378830/normal_5fb2dac423e1b.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://static1.squarespace.com/static/5fc0abc6bda9c57a97bd16fd/t/5fc10dd79d79364840b2943f/1606487511974/fodemivuxogilenejotuwejid.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e57093ac-d6fa-45de-9c33-efce2615dd21/sosotugolinune.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a9b012a9-3168-4431-a4dc-973cf98e7c13/70755950666.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6cccb10b-df9f-4e0e-a1e0-5f5d62d8103c/wixawazewadaxoxofo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/efefb642-f9b6-4865-bca8-20a9b53764b6/dusabowidajudumitu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/43845b37-2650-48bf-bbed-4859eeec9fc0/60608257514.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b3c2e8f0-d950-4fb2-add1-2bae4d1659ec/89861932977.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0e829231-c315-45a1-8cf5-bd6e700df655/wokaneduxa.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc1c049c6d9645836281f45/t/5fc788010791337046e80201/1606912002726/hitman_2016_goty_review.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_off000100d9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x100D9 5272 bytes
SHA-256: 2c1668c642477555f097db3e3fb59af0c9eabfa5b76f2acedf3c05dc488e11da
font_01_sfnt_off000112ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x112AD 10520 bytes
SHA-256: 3baed1f4ed392945f88965f3567b3d269a6dd913f5d4e2bda4d51aa0c9ba6fba

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