Malicious PDF — malware analysis report

Static analysis result for SHA-256 6363b982fd81dac9…

MALICIOUS

PDF

62.0 KB Created: 2021-03-30 09:14:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: afc8426ae0e80e9ce2516a2ec2ac2240 SHA-1: 9b0152531fecc28138f0fddabbad93a716d85c97 SHA-256: 6363b982fd81dac934667b60e5c22932015fb4fbe4534e23dec0dbe16a370333
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 0.9997

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://bologen.ru/wix?keyword=fnia+apk+android PDF link annotation
    • https://cdn.sqhk.co/mekaxosur/je1ifjh/pivevasopij.pdfIn PDF document text
    • https://cdn.sqhk.co/sivadapexiri/giOieqM/18238457786.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4416671/normal_60419a8cf1075.pdfIn PDF document text
    • https://cdn.sqhk.co/fasotaluvose/hgcpUXM/78377334077.pdfIn PDF document text
    • https://cdn.sqhk.co/zudoputasafe/hjtjgji/77173329102.pdfIn PDF document text
    • http://tapopapebesawu.getenjoyment.net/munuzozere.pdfIn PDF document text
    • https://cdn.sqhk.co/soxuvezosapa/idhvzhf/infinity_stones_powers_in_fortnite.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4417212/normal_601ed817c5000.pdfIn PDF document text
    • http://fumuroruzej.medianewsonline.com/wadagumifogiwuv.pdfIn PDF document text
    • https://cdn.sqhk.co/judixixelof/VkhhicY/kugawonabajanenufuvedabi.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4484093/normal_5ffa6c3ac0e68.pdfIn PDF document text
    • https://cdn.sqhk.co/mawedabe/iihbhhj/chord_mojo_manual_espaol.pdfIn PDF document text
    • https://cdn.sqhk.co/mujekesire/56pibNK/absolute_rc_heli_sim_hack_apk.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4422631/normal_5fd9198484ed8.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/a019860e-e29b-45ee-a1e9-8df10c429325/char_broil_gas_grill_with_side_burner.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b9ddd656-d8a6-456b-b32e-8a66c456dd8a/how_to_shift_a_10_speed_eaton_fuller_transmission.pdfIn PDF document text
    • http://zugagib.atwebpages.com/personal_statement_samples_for_masters.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b35837b6-7600-4fbf-ab05-6eb48213b19b/pazirolejuzafesotaje.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_off0000bc75.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBC75 4760 bytes
SHA-256: 7f9c9cc07eefe2211d21fca5c724acaf9d243915a44795f64969a4e300a18ece
font_01_sfnt_off0000ccb8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCCB8 9112 bytes
SHA-256: 0594d64b46764b3592377a0dd413b5c90f6969e73219211d3c98973994efc4ce

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