Malicious PDF — malware analysis report

Static analysis result for SHA-256 0cd01a60cc046862…

MALICIOUS

PDF

81.1 KB Created: 2021-05-16 01:42:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 4cb706712f803b23fd3765793660edc7 SHA-1: 81fcee77a1e9c7132983a720dca5ff7ad7eb33ab SHA-256: 0cd01a60cc0468624d4a76ae2f6fd76e2a6c8f31d5443e0175f59d668631ca44
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 0.9998

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://midufefew.ru/strik?utm_term=farmall+super+c+for+sale+craigslist PDF link annotation
    • http://jsexj.fun/5371421367ujvoq.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4421049/normal_5ff41130b9934.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4477400/normal_6023d91208cb2.pdfIn PDF document text
    • http://gipeturira.22web.org/assembler_apercu_mac.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4470223/normal_60289e3327611.pdfIn PDF document text
    • http://verifiedbadges-form.com/fantastic_mr_fox_ash_redditk3e5r.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/tinezedu/plt_m70_manual.pdfIn PDF document text
    • http://valogaberel.rf.gd/69613603373.pdfIn PDF document text
    • https://s3.amazonaws.com/turip/nudikefagetigu.pdfIn PDF document text
    • https://s3.amazonaws.com/vonuxagupeduze/sixth_sense_technology_seminar.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/58ebed81-137c-423c-8ead-a338db149769/does_chick_fil_a_hire_at_16.pdfIn PDF document text
    • http://wonetone.rf.gd/dejuf.pdfIn PDF document text
    • http://jokiperone.epizy.com/jezikugexeril.pdfIn PDF document text
    • http://saduxax.epizy.com/chakram_telugu_songs.pdfIn PDF document text
    • http://roweviwumi.epizy.com/18114022637.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2fab129d-ae1e-4937-b157-55d79b40cf12/xenapasevugititegopit.pdfIn PDF document text
    • http://natikajurijufuk.rf.gd/79254996113.pdfIn PDF document text
    • https://s3.amazonaws.com/taturi/32815862856.pdfIn PDF document text
    • https://s3.amazonaws.com/rizezobabub/ldg_z_100_plus_manuale_italiano.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_off0000fd50.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFD50 5288 bytes
SHA-256: 7a1bf2c59543d7f5705e994eb6a2e25f9650a56158e27e3aa917fd8671e8aecd
font_01_sfnt_off00010f3e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10F3E 11228 bytes
SHA-256: 7e8dd529c3510cd3f52c34f1f7eb3c7dcc75204786b729f0efc05f47d90bb5df

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