Malicious PDF — malware analysis report

Static analysis result for SHA-256 29346ff6306dad4b…

MALICIOUS

PDF

74.4 KB Created: 2021-02-22 20:22:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: d7b851a589bcdf0c32fca6d63fc4bfe1 SHA-1: 69b7f9e8a791f8c77e23a099ad5f843769a4412e SHA-256: 29346ff6306dad4b2c4a3e31fe4239ed076389f9cff46d41fba83b92e565d655
96 Risk Score

Malware Insights

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

The PDF contains an embedded URI pointing to a suspicious domain, identified by ClamAV as a phishing trojan. The document body, though heavily obfuscated, appears to contain keywords related to the embedded URI, suggesting a lure to trick users into clicking the link. The presence of multiple suspicious URLs further supports the phishing attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://jottigo.ru/123?utm_term=how+wide+is+a+ford+ranger+truck+bed PDF link annotation
    • http://lamovingcompany.com/118635128691qw97.pdfIn PDF document text
    • http://raisinshq.pro/88350660578tqxtl.pdfIn PDF document text
    • https://cdn.sqhk.co/jerowerar/iatfjju/is_la_wallet_free_right_now.pdfIn PDF document text
    • http://topsale.pro/bard_of_blood_subtitles_freet4s9t.pdfIn PDF document text
    • https://cdn.sqhk.co/jibetovo/TOuhibi/brain_crack_level_87_answer.pdfIn PDF document text
    • https://cdn.sqhk.co/gavezexu/UWsge2b/burape.pdfIn PDF document text
    • http://gobigs.space/xanofefuvuminigi40y9.pdfIn PDF document text
    • https://cdn.sqhk.co/kugoxepif/aHO3ugd/metal_shooter_mod_apk.pdfIn PDF document text
    • http://gatorama.space/how_to_get_a_vet_receptionist_joblb02s.pdfIn PDF document text
    • http://teasmall.space/free_business_plan_startup_templatenr14u.pdfIn PDF document text
    • https://cdn.sqhk.co/tivinarafuvu/eMjbigY/loophole_spanish_meaning_in_english.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/tubukeganuji/28036156821.pdfIn PDF document text
    • https://s3.amazonaws.com/jukezeluf/karthik_calling_kartik_song.pdfIn PDF document text
    • https://s3.amazonaws.com/tiduro/40499890603.pdfIn PDF document text
    • https://s3.amazonaws.com/jukoxisojow/milukugomivufufofujed.pdfIn PDF document text
    • https://s3.amazonaws.com/wemazun/self_guided_tour_gothic_quarter_barcelona.pdfIn PDF document text
    • https://s3.amazonaws.com/bupijila/organizational_chart_template_excel.pdfIn PDF document text
    • https://s3.amazonaws.com/wizedumi/free_flow_diagram_template_word.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_off0000e50e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE50E 5416 bytes
SHA-256: d711edcfdb6bfdf54398f0a010ce2486e27fdb16f509ebf577fdb4fd713fdc25
font_01_sfnt_off0000f7a0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF7A0 10892 bytes
SHA-256: 5fe6f125c11484ee58beb24d6f4b234cfc41a495d805e459ffd306890b3e07f6

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