Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe06e7a41a447fe3…

MALICIOUS

PDF

80.9 KB Created: 2021-01-25 14:44:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 1fd1ecf4c49097c73d7bc1885c266a42 SHA-1: e19b70354ab45f151b1a614c344a322b0f019cf4 SHA-256: fe06e7a41a447fe37001c4b0eededebf140d928d4b8e5d0dca3abb088e198268
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URI pointing to 'traffking.ru', which is likely part of a phishing or malware distribution scheme. Although no scripts were explicitly extracted, the presence of embedded URIs in PDF documents often indicates attempts to redirect users to malicious sites or download further payloads.

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://traffking.ru/123?utm_term=a+better+man+a+chief+inspector+gamache+novel+book PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4384832/normal_600d1c8bc1665.pdfIn PDF document text
    • https://cdn.sqhk.co/daribugubive/cjjhrt5/color_block_shirts_for_ladies.pdfIn PDF document text
    • https://cdn.sqhk.co/fegukajebaj/aiaidgi/go_long_wow_solo.pdfIn PDF document text
    • https://cdn.sqhk.co/sadirorig/gifg6hf/26414104688.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4469640/normal_5fe10c72b55b7.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4500201/normal_5feb47e567d06.pdfIn PDF document text
    • https://cdn.sqhk.co/surodamiz/iiAjdRw/36569714888.pdfIn PDF document text
    • https://cdn.sqhk.co/ropobemuma/gdxjaw5/color_chart_wheel_for_hair.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4466143/normal_5fef4705622e5.pdfIn PDF document text
    • https://cdn.sqhk.co/tororukiwuri/fhaDzSS/8159786606.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4410985/normal_5fd0b2edce748.pdfIn PDF document text
    • https://cdn.sqhk.co/zururodi/OBxlhgw/kodi_builds_for_xbox_1.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4470689/normal_5feccc73d8a9c.pdfIn PDF document text
    • https://cdn.sqhk.co/luwiwaduna/R3SshaW/16197320931.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/woxewiwupir/85073092100.pdfIn PDF document text
    • https://s3.amazonaws.com/boduxatavepe/baixar_netflix_apk_android.pdfIn PDF document text
    • https://s3.amazonaws.com/mefadedosuw/xekefuvogepuliwetevul.pdfIn PDF document text
    • https://s3.amazonaws.com/panalipolifod/14890628951.pdfIn PDF document text
    • https://s3.amazonaws.com/piradi/free_integers_worksheet_for_class_7.pdfIn PDF document text
    • https://s3.amazonaws.com/kukupunopedon/fuzawuvikawoxupin.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000da9c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA9C 6324 bytes
SHA-256: a90780fc70b6135616df5ab0e06801fc7c1e262eb516c6fce942747c059e5ed4
font_01_sfnt_off0000f015.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF015 5468 bytes
SHA-256: 8ad2259251fdf6cfa42e82faf93d9e54bd01f66142a3bc7fd8e5d821d57992d0
font_02_sfnt_off0001027a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1027A 10792 bytes
SHA-256: 6d15a1f54de1d855134f5fed3e7256f65e05222101dc9fcd728509467dfd17b4
font_03_sfnt_off00012745.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12745 4324 bytes
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71

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