Malicious PDF — malware analysis report

Static analysis result for SHA-256 32e3f761ad7c0ba4…

MALICIOUS

PDF

69.1 KB Created: 2020-12-19 22:52:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-31
MD5: 077bfea15bbaab788cf4e85a04f3df9d SHA-1: 1a8fdef420944c47843e58d350bfc337ee8f5830 SHA-256: 32e3f761ad7c0ba4408a99281c55ee8aafe3501de3ab7eb59e3babeb7bb33b5b
96 Risk Score

Malware Insights

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

The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The embedded URL points to a suspicious domain, likely used for phishing or distributing further malware. No scripts were extracted, but the PDF structure itself contains the malicious URL.

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://traffnew.ru/aws?utm_term=as+22+deferred+tax+icai+pdf PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4417313/normal_5fbebb1d2c2cb.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413563/normal_5fa3124c51450.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4425738/normal_5fde40097ec08.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/5fce91384b94e834a3a4af0a/t/5fd09cc651357b44bb94e945/1607507143049/15075676610.pdfIn PDF document text
    • https://s3.amazonaws.com/palikuvexake/rupidixupusepur.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbcf977d334513fae41cb57/1606220152144/how_to_get_seeds_in_minecraft_without_grass.pdfIn PDF document text
    • https://s3.amazonaws.com/zevutebulaworel/vewogukadipov.pdfIn PDF document text
    • https://s3.amazonaws.com/gomakobez/is_college_worth_it_essay_rough_draft.pdfIn PDF document text
    • https://s3.amazonaws.com/xovajukoxin/overwatch_hitscan_guide.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fce1cff2c00fb19414f5757/t/5fd2012dae71ea6dd3247749/1607598382892/66563971013.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc345e6affbf90a66f9bf12/t/5fc6219ff8cdb769c6b4ca2f/1606820258791/monster_series_race_schedule_2019.pdfIn PDF document text
    • https://s3.amazonaws.com/wogikokuzotaxa/wifuriguteje.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fdd38515b7bc966055e0f1f/t/5fdd87798afbbc27174a7f0f/1608353658327/james_blake_assume_form_lyrics_meaning.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc28838abaecd33182c940e/t/5fcf413857846c5b835269da/1607418168893/liletosukalopat.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_off0000d025.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD025 5304 bytes
SHA-256: 00eac93677df41b089d77403dc79575ded0c6e1cf7e86320f0e0a2bd4f23e93b
font_01_sfnt_off0000e250.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE250 11160 bytes
SHA-256: 8c895f32f5bd0c421f64ea79ea7c37388bb96c87250bd46bc5c35c0629db22b3

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