Malicious PDF — malware analysis report

Static analysis result for SHA-256 d6218babb24b8763…

MALICIOUS

PDF

72.4 KB Created: 2021-02-20 18:16:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-29
MD5: 018105eaec1c17613cd79b211f7daa3a SHA-1: 5ffcfe87978bac9f40c92e2fc23de537edb3bc8a SHA-256: d6218babb24b8763d617cb2fc6f53a2cbee225bbd368e293786f582f8a5b4e83
96 Risk Score

Malware Insights

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

The file is a PDF document that contains an embedded URL pointing to a suspicious domain, identified by heuristics as a potential phishing or malware distribution lure. The document body, though heavily obfuscated, suggests a context of a product manual, which is a common social engineering tactic. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or delivering a second-stage payload.

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://leonvi.ru/123?utm_term=wagner+642+paint+sprayer+manual PDF link annotation
    • https://cdn.sqhk.co/pufuxogife/jdman1T/88407839318.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4458618/normal_602db591973bf.pdfIn PDF document text
    • https://cdn.sqhk.co/kasuwune/dzhEejh/86024571415.pdfIn PDF document text
    • https://cdn.sqhk.co/gotulurowav/fihhhhc/my_little_pony_comics_free_download.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4454824/normal_5fc959a2c393a.pdfIn PDF document text
    • https://cdn.sqhk.co/mujekesire/icw72uA/laxanagimetem.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4444655/normal_5ffd65a3976b7.pdfIn PDF document text
    • https://cdn.sqhk.co/sepovili/dfhd2jj/cheats_sims_4_xbox_one_vampire.pdfIn PDF document text
    • https://cdn.sqhk.co/jidobimatu/hSfGprJ/entrepreneur_quotes_for_instagram_bio.pdfIn PDF document text
    • https://cdn.sqhk.co/zaviresodew/cia6hcX/29922158981.pdfIn PDF document text
    • https://cdn.sqhk.co/terasovo/Dhajf3j/7781206866.pdfIn PDF document text
    • https://cdn.sqhk.co/dilobowuz/kZr8fhg/zidigimabu.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4379482/normal_5ff90cebab674.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4424953/normal_60104b56d714f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4391915/normal_601717c79f214.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/sakaburepagase/73617034507.pdfIn PDF document text
    • https://s3.amazonaws.com/purufiz/typer_shark_deluxe_apk.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_off0000d6f5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD6F5 5628 bytes
SHA-256: 0b4c39258dd278869ad65861f1e87b1ab441aa93cb52c83ddd601f6ee6b344d0
font_01_sfnt_off0000ea23.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA23 12028 bytes
SHA-256: ac00710370004f6b341d50796c6561e23b31518c4be84c1d03a18adffd0e4d43

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