Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc6a53c2b614edaa…

MALICIOUS

PDF

205.3 KB Created: 2020-12-26 13:54:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-27
MD5: 6342720684d6a61d3dbaf97cca2ebbee SHA-1: e9ac72cc17f6d7f83d8a5e2150286fdeb9cee6e1 SHA-256: cc6a53c2b614edaa5a2ac9c1a5c02affbbf8576e0e0bf4274b0dbbd3c8cced1b
96 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by ClamAV and an ML classifier. It contains an embedded URL that directs to a suspicious domain, likely intended to host malicious content or facilitate phishing. The document body, though heavily obfuscated, suggests a lure related to a map, which is a common tactic for social engineering.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9972

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/123?utm_term=america+del+sur+mapa+politico PDF link annotation
    • https://mivubifazexaj.weebly.com/uploads/1/3/4/3/134381565/resuxizel-xofonerutu-momatoj-riluli.pdfIn PDF document text
    • https://lomofoxagut.weebly.com/uploads/1/3/4/5/134524577/rutumipati.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4477921/normal_5fd9bb2613986.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/b64f0b12-67f3-4ed4-b339-c574732e2b61/34866472392.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3d1040ce-e773-4f3e-81b0-f40208bdc5c2/starkid_bass_sheet_music.pdfIn PDF document text
    • https://s3.amazonaws.com/lodazojamuva/kexifetubefisaponupe.pdfIn PDF document text
    • https://s3.amazonaws.com/dudujopixejikug/39650378197.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9d60b804-75b7-422f-b299-3d2635bfc4c7/23938881859.pdfIn PDF document text
    • https://s3.amazonaws.com/kudowo/legend_of_zelda_piano_music_sheet.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b5f712c2-5677-44c7-a0ed-85f626f78abf/fefot.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3429f974-70fb-42b9-9abb-2083a2d9202a/code_complete_2_audiobook.pdfIn PDF document text
    • https://s3.amazonaws.com/mozedijiz/maza_agadbam_marathi_movie_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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002d55a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2D55A 5208 bytes
SHA-256: adb6a54464c8b999b8450902e4646cfb4df4541d4d4f9e8c8db7baed01f7126d
font_01_sfnt_off0002e6f8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E6F8 13736 bytes
SHA-256: 23539676704f0676aba9df552fe0bf15235e33f0ff9a3bec870e242aa959e5ca
font_02_sfnt_off00031246.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31246 16204 bytes
SHA-256: e93acd332f5893643511f4cefd38969ad5c744ad1b08842a788b6be7d277dd15

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