Malicious PDF — malware analysis report

Static analysis result for SHA-256 4771d78796095d47…

MALICIOUS

PDF

71.3 KB Created: 2021-06-07 09:57:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: b6e47de2d49560d0a195d20ddba1b35c SHA-1: 9b32c87cc63775b8859e0b5c580f14ef1be7cf40 SHA-256: 4771d78796095d472368b412b2d3deb560b68c0a84d58589e7d1c4f647344ac1
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 0.9998

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://irlanc.ru/pbw?utm_term=how+do+i+program+my+ge+universal+remote+to+my+philips+tv PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4444358/normal_5ff56c90633f1.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4405644/normal_5ff5733ab3892.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4461773/normal_6006d4c653093.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4427287/normal_60225bc6bad0a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4417817/normal_603bbe17ecb57.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4477615/normal_5ffd7ff4d640e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4500183/normal_5fd68b1ec3f83.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4452837/normal_6032a58241aca.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4470533/normal_6014b603d68d5.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://xovakovawup.pbworks.com/f/75113996098.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1c31fc92-fb80-4c83-9746-bea831d66933/80478974899.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a1f8c1ba-1d8e-4055-80d9-2fdbdd349599/ryrie_study_bible_nasb_amazon.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ef12be14-d200-46d8-85ad-74824952e85a/scope_and_delimitation_of_cyberbullying.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/02ea33b5-703c-40e6-8360-22f2978a8973/36026844434.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cdaf27ff-fca5-4a3e-bc5d-ec14dacf9545/24348192162.pdfIn PDF document text
    • http://biwonuv.pbworks.com/f/88685484458.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/018416b4-89ba-4318-974e-aebb2a5584c9/guruleveletimutiripa.pdfIn PDF document text
    • http://bezawagiga.pbworks.com/f/wrong_turn_5_full_movie_hd_watch_online.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/186de60f-b58f-4d56-a4b6-dc0d3680462d/bemijisetujoxaturebowavid.pdfIn PDF document text
    • http://fatakalewene.pbworks.com/w/file/fetch/144504180/xurakovedusazuxisanag.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 7

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_off0000daec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDAEC 5588 bytes
SHA-256: 77202ceac63e9d371c0339588f3e8b3387ddb9e156059b72fd1b0d6d225651c6
font_01_sfnt_off0000edd7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEDD7 9892 bytes
SHA-256: 75b56bc467ef8be0193e300b4cf9b00167346526e55fabf09d5bdd4c41d6ce6e

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