Malicious PDF — malware analysis report

Static analysis result for SHA-256 af0c6e25f023dfdb…

MALICIOUS

PDF

101.7 KB Created: 2021-03-12 01:27:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: d6a8452e4e4d857f09c248e9f66ed818 SHA-1: e3449e59a76d63a0fdf5ba97950868604405a630 SHA-256: af0c6e25f023dfdb51b504b09c22fbcaf43bfb03541f2984210d9f05dbc275ae
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The file is identified as malicious by ML classifiers and ClamAV, with a high risk score. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a malicious site. The document body, though heavily obfuscated, suggests a lure related to product information, consistent with phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://golowaki.ru/strik?utm_term=how+to+preseason+masterbuilt+electric+smoker PDF link annotation
    • http://policyhelpcenter.com/shark_navigator_swivel_instruction_manual27rlx.pdfIn PDF document text
    • http://ueuniti.xyz/multifactor_productivity_examplefrfkz.pdfIn PDF document text
    • https://cdn.sqhk.co/satukevaguka/cAihBhc/sbk16_official_mobile_game_hack_download.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4416495/normal_600b06128f02c.pdfIn PDF document text
    • http://bluhgang.best/browning_hi_power_clonesay4gs.pdfIn PDF document text
    • http://leftoutclub.com/7119447532724wz5.pdfIn PDF document text
    • http://peteferix.mypressonline.com/que_desean_ustedes_de_plato_principal_in_english.pdfIn PDF document text
    • http://lnstagram-blue-ticks.com/sudisig4cfzw.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4480743/normal_602b084110a97.pdfIn PDF document text
    • https://cdn.sqhk.co/nadipozow/jd0Q1PV/jukubidawuvamipob.pdfIn PDF document text
    • http://veviwumifuvemuz.mypressonline.com/how_to_work_out_a_half_equation.pdfIn PDF document text
    • https://cdn.sqhk.co/zukasedu/djgEihW/61087226815.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4468274/normal_60071fe92c6c2.pdfIn PDF document text
    • https://cdn.sqhk.co/xuwadezab/LVAGgdJ/major_european_battles_of_wwii.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/tiniruru/reporter_newspaper_ethiopia_vacancy.pdfIn PDF document text
    • http://jeborawaleko.atwebpages.com/43258312702.pdfIn PDF document text
    • https://s3.amazonaws.com/niwotipugonuvoz/mimididepe.pdfIn PDF document text
    • http://nimanexobubibub.onlinewebshop.net/70812721701.pdfIn PDF document text
    • https://s3.amazonaws.com/pavujiniz/reset_panasonic_plasma_tv_without_remote.pdfIn PDF document text
    • https://s3.amazonaws.com/wifiduxezo/2473044849.pdfIn PDF document text
    • https://s3.amazonaws.com/xisakazelelinim/59552473739.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

Related samples 7

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00014edb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14EDB 5336 bytes
SHA-256: ebf43918f88cdf974bc4d017cbe6503a4eee486c9486ec363a013fa9c5ee5351
font_01_sfnt_off000160f6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x160F6 12140 bytes
SHA-256: 9f2a284d7ef14b13b245535c889d86d2df23d5c19b6b79b8d5a59ce952538157

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