Malicious PDF — malware analysis report

Static analysis result for SHA-256 7abeea0a8f062272…

MALICIOUS

PDF

59.6 KB Created: 2020-11-14 00:35:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-20
MD5: 18496b549fd7a88d5888de5cfce71187 SHA-1: e262f7bda5de81fd4c6819a5a124a76a3cd87920 SHA-256: 7abeea0a8f0622727b83945c26fda1d8ac7dfb3042f359d7c598f1dc6be33889
154 Risk Score

Malware Insights

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

The PDF was flagged by multiple heuristics, including a critical alert for a malicious redirector link pointing to 'traffking.ru'. Machine learning models also strongly indicated maliciousness. The embedded URL is likely intended to lure users into downloading further malicious content or submitting credentials.

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
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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://traffking.ru/123?utm_term=economics+chapter+15+section+3+assessment+answers In PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/e48420a6-d1f1-4abe-9039-33cdb5165b12/68578365331.pdfIn PDF document text
    • https://s3.amazonaws.com/bewibiwat/supirapobebinuwoxozi.pdfIn PDF document text
    • https://s3.amazonaws.com/podawakumepewez/7th_grade_math_final_exam_doc.pdfIn PDF document text
    • https://s3.amazonaws.com/ligole/daemon_tools_crack_free.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d62235cc-9b6a-431b-b7f7-951a4e6b754b/2734709043.pdfIn PDF document text
    • https://s3.amazonaws.com/nafoxuda/acrostic_poem_examples_ks2.pdfIn PDF document text
    • https://s3.amazonaws.com/bajuse/wekojitutuwiliduxugi.pdfIn PDF document text
    • https://s3.amazonaws.com/wanasuvedigo/88806729695.pdfIn PDF document text
    • https://s3.amazonaws.com/wemupajese/kusadu.pdfIn PDF document text
    • https://s3.amazonaws.com/bajuse/persona_4_margaret_social_link_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/pirosisob/93334951468.pdfIn PDF document text
    • https://s3.amazonaws.com/zukukelejurotef/the_sak_purses_prices.pdfIn PDF document text
    • https://s3.amazonaws.com/vabedafozo/long_sweater_jacket_for_men.pdfIn PDF document text
    • https://s3.amazonaws.com/matogapibelifiv/song_lyrics_blessed_assurance_third_day.pdfIn PDF document text
    • https://s3.amazonaws.com/ravuxudibure/nikon_d500_wide_angle_lens.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_off0000adb9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xADB9 5528 bytes
SHA-256: 6ec00da5372e5025b49d314cf74ff7e2613819fa480beb4d61d162581a6dc7c6
font_01_sfnt_off0000c077.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC077 9652 bytes
SHA-256: a91d0e82acc20fc8f8ecdf8a0ca988bc81356f9a23342fd100c3111c638e2bbd

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