Malicious PDF — malware analysis report

Static analysis result for SHA-256 ccfe98fc84e4130c…

MALICIOUS

PDF

80.9 KB Created: 2021-03-04 13:53:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 0e48cc5d99427ef89ffa7e7d607c9792 SHA-1: 9c4b85f29acb07cedbf2c8e9c48839d5158228c7 SHA-256: ccfe98fc84e4130c67c87a87bbcc453c59dbfc5b6ee2145081d986797905a71f
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 0.9996

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://dugedepap.ru/strik?utm_term=ted+chiang+tower+of+babylon PDF link annotation
    • http://timinome.getenjoyment.net/3706338708.pdfIn PDF document text
    • http://sovuradema.medianewsonline.com/zovewemid.pdfIn PDF document text
    • http://medgaj.com/87373342224j7kum.pdfIn PDF document text
    • http://4gusevshop.website/how_to_cook_rice_in_philips_multi_cooker9d1ii.pdfIn PDF document text
    • https://cdn.sqhk.co/sobexofap/ihjjT5P/generalized_anxiety_disorder_treatment_options.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4426816/normal_5fee4762b02b4.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4496586/normal_5fcc536057b15.pdfIn PDF document text
    • http://befotuke.mywebcommunity.org/dan_brown_books_in_order_da_vinci_code.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4423442/normal_5fceafd89fbbb.pdfIn PDF document text
    • http://sopisafexuj.sportsontheweb.net/speed_queen_washer_and_dryer_specs.pdfIn PDF document text
    • http://ganoget.scienceontheweb.net/63092509877.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4459185/normal_600040bca8630.pdfIn PDF document text
    • https://cdn.sqhk.co/givikofuf/Ztnndid/space_race_timeline_ussr.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4460450/normal_603e4e2aa28d7.pdfIn PDF document text
    • http://zoguponuwuxoli.medianewsonline.com/42388680564.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4415077/normal_5fe0f3c0cf9c5.pdfIn PDF document text
    • https://cdn.sqhk.co/seponidozit/djgdyhd/xekogut.pdfIn PDF document text
    • https://cdn.sqhk.co/bivuwusim/rjbjaBQ/red_alert_2_remastered_date.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4392647/normal_5fd6589bdf561.pdfIn PDF document text
    • http://nigemutekilum.mypressonline.com/fazedesofuvu.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://zotubune.myartsonline.com/73025756015.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e9e0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE9E0 5388 bytes
SHA-256: 6a40d31eacf1f578b64206b801c88c6224490b3694dbcf7e97681bf50c92570d
font_01_sfnt_off0000fc40.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFC40 10308 bytes
SHA-256: 7a6dcebb358e0d200ba614887afdd78d9d861a753da11185c6ad640d79c40a26
font_02_sfnt_off00011fd5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11FD5 16092 bytes
SHA-256: ea75db71c9df7250347a03039f742fcd189f5fc3f08964e696816fa8b5227073

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