Malicious PDF — malware analysis report

Static analysis result for SHA-256 2dc8cd317e6b4a60…

MALICIOUS

PDF

74.1 KB Created: 2020-12-31 09:02:00 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-31
MD5: ddd0b653d65c9531ba3147f4fb4c92e8 SHA-1: 6b92967a425ebcfa72388b477caeeaf4e0087c36 SHA-256: 2dc8cd317e6b4a60222215c97f5910537425af9961138e49d4e2aa8d60741821
96 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains an embedded URL that leads to a suspicious domain, likely intended to host a malicious payload or redirect to a phishing site. The document body, though heavily obfuscated, suggests a lure related to 'Lunar battlegrounds d2', indicating a social engineering attempt to trick users into visiting the malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://trafffe.ru/strik?utm_term=lunar+battlegrounds+d2 PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4369504/normal_5fa4aa55e7713.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369908/normal_5f8eb240e605e.pdfIn PDF document text
    • https://kuxodebareku.weebly.com/uploads/1/3/4/0/134042390/joxapuragedesififal.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4375086/normal_5f979479c46dc.pdfIn PDF document text
    • https://cdn.sqhk.co/numexerab/jdsjbha/kagixake.pdfIn PDF document text
    • https://jategolotigani.weebly.com/uploads/1/3/4/8/134882723/fitapawiroxiziraj.pdfIn PDF document text
    • https://cdn.sqhk.co/bowewulaxam/gg4jcJe/nostalgia_mini_popcorn_maker_instructions.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4445101/normal_5fdf5f6c9acb4.pdfIn PDF document text
    • https://vibajadulefunuk.weebly.com/uploads/1/3/0/8/130874079/xutonarofa_vosudi_bixabasipin.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/da72fcf6-ee09-4ed6-a114-a0b97142eb36/zulenerope.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ca9c60a1-bacf-4efe-b4fe-5fc800fc1b70/2842791820.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/933c4832-e7f5-459b-a47d-ef9d170bfe2f/16383576885.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_off0000e7ef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE7EF 5208 bytes
SHA-256: db7713125058462ccccdd40bd3f991163384f378d8e0f04dc1d5ffdb587fdb05
font_01_sfnt_off0000f9b0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF9B0 9880 bytes
SHA-256: ec78c7835cf0c5a60316b8831460f022280eeea15093ecd9612c233d6410def0