Malicious PDF — malware analysis report

Static analysis result for SHA-256 68895916b42d64c6…

MALICIOUS

PDF

78.2 KB Created: 2021-05-12 23:03:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-22
MD5: a0c41adbfeacfd880b4c3998b667f276 SHA-1: 2cfa8c727d6c7dd73dcf962ef91108d7827a6cb0 SHA-256: 68895916b42d64c6a4b5f463247bb16ebd75026168177bc406a18a89bd97da18
96 Risk Score

Malware Insights

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

The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URI pointing to 'fokemale.ru', which is highly suspicious. Although no scripts were extracted, the presence of a malicious URL within a document disguised as a play script strongly suggests a phishing or malware delivery attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://fokemale.ru/strik?utm_term=ejemplo+de+guion+de+obra+de+teatro PDF link annotation
    • https://cdn.sqhk.co/munenetifu/iniargf/comparison_of_adjectives_worksheets_for_grade_2.pdfIn PDF document text
    • https://cdn.sqhk.co/kesusevuzep/jgjdhi3/44713938212.pdfIn PDF document text
    • https://cdn.sqhk.co/pegipoveridi/iazxTqL/lego_super_heroes_robot.pdfIn PDF document text
    • https://cdn.sqhk.co/sadirorig/jifvrge/80883028028.pdfIn PDF document text
    • http://pasoponetev.22web.org/incentive_theory.pdfIn PDF document text
    • https://cdn.sqhk.co/gadujotev/owjh2ie/retrowave_fonts_free.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4419650/normal_604677e1a7e68.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380705/normal_6052d40c36ea3.pdfIn PDF document text
    • https://cdn.sqhk.co/parabeset/ehhHuGR/12605591987.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/47685781-2146-4e2c-8099-1e3f28aae955/fonazasimogoroxeja.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cbde80e2-997b-41d7-9db5-3e78697915d1/how_to_rig_crankbaits_for_crappie.pdfIn PDF document text
    • https://s3.amazonaws.com/pasawe/giant_axonal_neuropathy.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a97e78e6-9a27-4ea2-887d-60d78cd51321/55962573229.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c830bd9b-ca03-49cd-b46c-6d2ca0b3460f/puwisus.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e3d07572-01a9-4298-bfd4-763277cb3cbb/37031991400.pdfIn PDF document text
    • https://s3.amazonaws.com/kewuxejikiwe/wifekivo.pdfIn PDF document text
    • https://s3.amazonaws.com/vipuxafol/peruzzi-_majesty_music.pdfIn PDF document text
    • http://jowabew.epizy.com/oracle_11g_sql_plus_download.pdfIn PDF document text
    • http://tuguwogut.rf.gd/4166524508.pdfIn PDF document text
    • https://s3.amazonaws.com/jixeremipet/vovefejomusigexuxej.pdfIn PDF document text
    • https://s3.amazonaws.com/dukavunivifa/bijeniwujo.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.

FilenameKindSourceSize
font_00_sfnt_off0000f114.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF114 5272 bytes
SHA-256: fa764bd80822fbff6bda74c7d5f86c52545f82b01783b977059f89add5cb2294
font_01_sfnt_off000102ea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x102EA 12020 bytes
SHA-256: 3f28ffc2de28676ea3a8710a22fa3e10b74707e9930f1b97a63bfc5e84905144

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