Malicious PDF — malware analysis report

Static analysis result for SHA-256 754794648f1715f7…

MALICIOUS

PDF

83.2 KB Created: 2020-12-25 19:20:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-27
MD5: 2f87d931573dfcc3bbd6573a4ca1de62 SHA-1: d701dcfe8747f42ea7501d517e74a2dc2441c222 SHA-256: 754794648f1715f725a1c05af2ddb6271d600189e51a0cb82edcc0738130cd92
196 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

The PDF file contains numerous external links, with a critical heuristic identifying it as a link farm. One of the primary external URIs points to a suspicious domain, and ClamAV detection confirms its malicious nature as a phishing trojan. The document body, though heavily obfuscated, suggests a lure related to a 'jedi fallen order trainer mod', indicating a social engineering attempt to drive traffic to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Security software disable instruction high SE_SECURITY_BYPASS
    Document instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
  • 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/123?utm_term=jedi+fallen+order+trainer+mod PDF link annotation
    • https://nulixedupalaz.weebly.com/uploads/1/3/0/7/130739510/sagimigizanirepabiga.pdfIn PDF document text
    • https://cdn.sqhk.co/rosafipex/jrifLgg/u_mobile_service_centre_seremban_address.pdfIn PDF document text
    • https://mokovudome.weebly.com/uploads/1/3/4/5/134598928/1361734.pdfIn PDF document text
    • https://ruvetuse.weebly.com/uploads/1/3/4/6/134618438/2819890.pdfIn PDF document text
    • https://mapawoxerefer.weebly.com/uploads/1/3/4/7/134703144/vazomipexuriji-mizamadedasife.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/8f1fed9e-ff90-49c6-bb95-b4d8ccf378d4/mupoguj.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/71e1d98c-26cc-4e6a-b314-e3494fa16197/hesi_pn_exit_exam_study_guide.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ea302067-e377-4a23-a936-7eb2121790a5/new_grad_rn_cover_letter.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/86a1f124-8460-4a3d-ac33-5c5b929a93b6/44802965182.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7f6ef1d1-c2bf-435f-802c-030c0c0d20ff/nefebugitapufekulepu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/57e75ea3-ea15-4af9-8f4c-3695b57e909d/mokux.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fc433fef-0fdb-40ea-b332-bccef45b16fb/78719491916.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2d9759ce-8564-46fd-94df-ff97445266c1/runenimikipudatadiwanive.pdfIn PDF document text
    • https://s3.amazonaws.com/guvovigo/29230418027.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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e8c5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE8C5 4864 bytes
SHA-256: 149947835e7316d49dc7ad54efd622675fd7361c9f5a6e38a00c315454cd979e
font_01_sfnt_off0000f93f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF93F 14592 bytes
SHA-256: e659403c2e1949f50cddc8fb6270709b7b7b6e185c4694acc2d522ee7c0704b0
font_02_sfnt_off00012799.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12799 16380 bytes
SHA-256: cd2023e54fee9458758eced33c620c98f793fc181c618bdad682b04d18505b9e

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