Malicious PDF — malware analysis report

Static analysis result for SHA-256 0af5ea60fca78dfe…

MALICIOUS

PDF

82.5 KB Created: 2020-12-28 05:33:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-07
MD5: bffcd074f1cd1ae16d5e3f8dee1bd4a8 SHA-1: fd95fe90d163d034b72586b7df779eb46dd25fc1 SHA-256: 0af5ea60fca78dfed24edcd73b463ad6179586cd43ab9b4de65dd5dc580f2a7c
154 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, indicating a phishing or malware distribution attempt. The embedded content, though obfuscated, suggests a lure related to 'power bi report'. The ML classifier and ClamAV detection strongly support its malicious nature. No scripts were extracted, but the primary attack vector appears to be directing the user to a malicious URL.

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
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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://traffking.ru/aws?utm_term=show+parameters+in+power+bi+report In 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/acf4aa13-4fb4-4234-a29d-bd5158eb6fc7/62565634623.pdfIn PDF document text
    • https://s3.amazonaws.com/mefovu/raft_wars_hacked_unlimited_money_unblocked.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/41c8b4f4-526c-4dac-bf50-e5ca19a885e9/wekavaxolojisujagefi.pdfIn PDF document text
    • https://s3.amazonaws.com/legipalofi/50588363399.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c75ce786-9f6f-4912-9b0c-cc4019764432/kifekezibavuv.pdfIn PDF document text
    • https://s3.amazonaws.com/wazorixekunafob/ingenuity_infant_swing_replacement_parts.pdfIn PDF document text
    • https://s3.amazonaws.com/gorajikunobixi/interstellar_main_theme_sheet_music_patrik_pietschmann.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/63be5a30-8c60-430a-aa77-d108a49fc0e0/restaurants_near_maine_state_aquarium.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/18d52bd4-7162-4735-8873-68282425761f/257056905.pdfIn PDF document text
    • https://s3.amazonaws.com/gumegulaxi/public_holiday_calendar_2017_malaysia.pdfIn PDF document text
    • https://s3.amazonaws.com/kewakuko/banjara_dj_songs_2018_mp4.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/84308a52-4a06-4d16-91f7-7e78089d0bd8/wononesonovokeposavobuda.pdfIn PDF document text
    • https://s3.amazonaws.com/pafiganovavi/bitcoin_faucet_free.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/24ba3a40-ed3e-4276-bf80-34a85b070598/33492019036.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_off00010397.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10397 5364 bytes
SHA-256: 58dfe46e4a5ef96fceb5e441b4e9906287f0620bc34e3dd577b3064f0776264b
font_01_sfnt_off000115b5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x115B5 11616 bytes
SHA-256: 26db4ae8a94d7b1f1f09cddfbe08fe67c609c59af0d5105b4e3f8251a32b239b

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