Malicious PDF — malware analysis report

Static analysis result for SHA-256 d691ccb323a3f8f4…

MALICIOUS

PDF

76.8 KB Created: 2021-03-19 00:56:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 4a7bc72d61f71513078ac3e4717c917b SHA-1: 2f2e7be671db939169af340b4959f1627a2a94d6 SHA-256: d691ccb323a3f8f462056f620429449f5b1064906ccc12087bff6565b24a4c5e
96 Risk Score
Tags
free-cdn-ebook-manual-lure

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. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://dugedepap.ru/strik?utm_term=duo+therm+ac+thermostat+troubleshooting PDF link annotation
    • http://xorabawik.medianewsonline.com/jasotaporananu.pdfIn PDF document text
    • https://cdn.sqhk.co/dimowitop/Cigghj1/makelagegibojunid.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4479439/normal_5ff760fc7e7c4.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4365612/normal_5ff16404c5db0.pdfIn PDF document text
    • http://viwimewi.22web.org/oldways_mediterranean_diet_plan.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4412573/normal_5fc96d2b2a795.pdfIn PDF document text
    • https://cdn.sqhk.co/livulopo/bhehijf/17570623296.pdfIn PDF document text
    • http://ketaton.mywebcommunity.org/bescherelle_anglais_pour_tous_gratuit.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4467017/normal_5fdda4ccb7869.pdfIn PDF document text
    • https://cdn.sqhk.co/jutafegobexe/LejjEh8/bike_simulator_3d_super_bike_2.pdfIn PDF document text
    • http://segijemidas.22web.org/48155761257.pdfIn PDF document text
    • https://cdn.sqhk.co/nakunadubux/MiehdTp/dots_co_a_puzzle_adventure_mod_apk.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4421780/normal_60087c37b5399.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://ddd90330-5837-4e0c-b2f6-9383941cd2db.filesusr.com/ugd/568e2c_e5a2953ebc0b47df93f9322ed812da68.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/63fab539-3f24-40e2-8dfc-15a782062573/78473624534.pdfIn PDF document text
    • http://pudolajuji.atwebpages.com/jewusalavudew.pdfIn PDF document text
    • http://desovizipelo.onlinewebshop.net/64499956079.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1e0a5b05-e4ed-416d-8d96-ebd9a3102d47/physics_1_for_dummies.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a4a58200-5e70-467a-a381-604a30d5cf6d/27260288862.pdfIn PDF document text
    • https://206c1dc7-391c-4b20-ac64-b63c97020fd4.filesusr.com/ugd/87773f_5e9c566ecfc44768a9a6a3203dae2c63.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/da4f51cc-c28b-41be-a91e-ba3c0af72746/what_does_analyze_and_evaluate_mean.pdfIn PDF document text
    • http://likasiz.epizy.com/blood_type_diet_free.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_off0000eff4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEFF4 5352 bytes
SHA-256: f574945435dd1ee454e76770111be39e16533da98ee0535ce93ec1263eab3cd3
font_01_sfnt_off000101f8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x101F8 10408 bytes
SHA-256: c23dc9385031b8da9543ef09a6681b5b2ef6d2a720576e0c070cf4ef74f0dc5b

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