Malicious PDF — malware analysis report

Static analysis result for SHA-256 fd562e982b1db0b0…

MALICIOUS

PDF

70.3 KB Created: 2020-11-29 02:55:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: cc4d52529b7561cb8074701fc3f6c4d0 SHA-1: d3cce89d22ff80a30c92d278bab53d6b67da5945 SHA-256: fd562e982b1db0b0ca9f182d686cb91139af1bcf16fd78f1254570ce781040a3
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-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=manitoba+highway+accident+reports PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4371791/normal_5f89a08d90633.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4420235/normal_5fbe3b6268369.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/97e63552-de63-435a-874b-b02cc5c9199d/vevavuma.pdfIn PDF document text
    • https://s3.amazonaws.com/sajatesawodiji/94201072701.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0fffad54-9526-4688-88d9-d2d28e511982/apple_instruction_manual_for_iphone_6.pdfIn PDF document text
    • https://s3.amazonaws.com/tomaxade/gulanorozeb.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/34f6643c-0eca-4c6b-9d9c-88c92942c009/introduction_to_statistical_learning_website.pdfIn PDF document text
    • https://s3.amazonaws.com/mawesenasijoser/99830829475.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/104363e6-211f-4768-8df1-e4765f8722c1/fatemukidarufoxowiwe.pdfIn PDF document text
    • https://s3.amazonaws.com/nepawigexa/el_fruto_del_espiritu_es_gozo.pdfIn PDF document text
    • https://s3.amazonaws.com/remufuzu/muvibuzimixawa.pdfIn PDF document text
    • https://s3.amazonaws.com/dazifozixawus/kisscartoon_apk_download.pdfIn PDF document text
    • https://s3.amazonaws.com/rorives/idiot_test_casting_2019.pdfIn PDF document text
    • https://s3.amazonaws.com/pizivurapab/infrastructure_as_code_iac_cookbook_download.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/71b3d9aa-ac03-4e8a-8772-8673ca453b4f/61861494542.pdfIn PDF document text
    • https://s3.amazonaws.com/fosagoba/filehippo_creator.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_off0000d499.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD499 5640 bytes
SHA-256: 8e76eb3521ebfbca29f53ddfe7aac94d6c8d4fcc6f83b4788357dd279cc58b96
font_01_sfnt_off0000e7dd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE7DD 10780 bytes
SHA-256: fcb3ce58fc3b2015be636e91d54d105a50ed73112f7ceca1ff6c5849e2719e3b

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