Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7ee2cc5bde6cd5b…

MALICIOUS

PDF

74.6 KB Created: 2020-12-23 16:37:58 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-03
MD5: a55ba295614c928586beae2141f606aa SHA-1: d1e0697a1bda3972adf724964412d15374926e12 SHA-256: d7ee2cc5bde6cd5bda07edba5c21c95c537c73bb7e6698745242bf1044eb48c6
96 Risk Score

Malware Insights

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

The PDF file was flagged by multiple detection engines, including ClamAV and an ML classifier, as malicious. It contains an embedded URL that leads to a suspicious domain, likely intended for phishing or malware distribution. The document body, though heavily obfuscated, suggests a lure related to a "T shirt folding template", which is a common tactic to entice users to click on malicious links.

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://trafficel.ru/aws?utm_term=t+shirt+folding+template PDF link annotation
    • https://cdn.sqhk.co/bitubebo/ihdJgjm/nebomedoneju.pdfIn 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/fc9f6d86-bd29-46a1-b1ab-8244b955a5be/marofevuxaporusabinop.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6c253133-505e-4e21-b516-7c78b2a6df4c/topuvabobagovapidokoriwiz.pdfIn PDF document text
    • https://s3.amazonaws.com/simujix/danesamoga.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cc5ddfa5-253b-4629-b96f-d77953d74406/trane_xl1050_thermostat_installation.pdfIn PDF document text
    • https://s3.amazonaws.com/ladojenefe/56764888089.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/789d9df1-f66e-42e6-b331-23091a1221ef/23596908690.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/eccb48d9-7959-49aa-9aba-597512667c83/aroma_arc-3000sb_manual_espaol.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/15523186-a8f7-4506-814e-f7099582ff7a/24690249859.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/77eb1327-f1a5-496b-9a72-67c3eae06a58/9799002594.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/39ebdaa6-ccd8-4833-aecb-c325b57b9810/vavikidavidowoneselen.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c0361ab9-0dcd-4476-9f16-b7ac81496bd2/lulakobifunawutudi.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://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
    • http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000dbe8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDBE8 5404 bytes
SHA-256: 1e1336668563624041cbc4d3e09f675884ffe3fb8cf857ad26808c4ea7bbc498
font_01_sfnt_off0000ee16.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE16 3720 bytes
SHA-256: 6539b129c5cd894636dc8f40f53a156c00c8f46378ab4f137c96d687a1cff6ed
font_02_sfnt_off0000f979.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF979 10520 bytes
SHA-256: 9ff206bd85bc0b0120324e20fa9443c6881a49cd10964a4e93ada943171f2a90

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