Malicious PDF — malware analysis report

Static analysis result for SHA-256 702ca849a2795f24…

MALICIOUS

PDF

72.6 KB Created: 2021-01-15 04:54:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 3a08e9b43aa2c20f404f2d1dd0646779 SHA-1: bf1333ab70fd41324fe5c80ee6ee35b9db8d48f6 SHA-256: 702ca849a2795f2428ea1f149fa0e06a0c1e10607467b9b28eebef1ae5089b76
156 Risk Score

Malware Insights

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

This PDF file was flagged by multiple heuristics, including a critical ClamAV detection for Pdf.Phishing.Trojan and a high ML score, indicating malicious intent. It contains a large number of external links, suggesting it's part of a link farm designed to redirect users to malicious sites. The document body, though heavily obfuscated, contains text related to 'Athlean x meal plan example', likely a lure to encourage clicks on the embedded URLs.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • 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.
  • 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://trafftec.ru/123?utm_term=athlean+x+meal+plan+example PDF link annotation
    • https://site-1178359.mozfiles.com/files/1178359/mame_moon_patrol_download.pdfIn PDF document text
    • https://cdn.sqhk.co/fabozesemi/hb1Yfwg/jump_ninja_manchester_party.pdfIn PDF document text
    • https://vukibipodut.weebly.com/uploads/1/3/4/6/134690361/1544121.pdfIn PDF document text
    • https://site-1217191.mozfiles.com/files/1217191/49099213588.pdfIn PDF document text
    • https://site-1173660.mozfiles.com/files/1173660/58776681162.pdfIn PDF document text
    • https://site-1168360.mozfiles.com/files/1168360/my_deals_app_mobile_password.pdfIn PDF document text
    • https://site-1168410.mozfiles.com/files/1168410/mimemodasufutorufivu.pdfIn PDF document text
    • https://mimitokiwunas.weebly.com/uploads/1/3/4/0/134012498/zunetizonuzodir.pdfIn PDF document text
    • https://site-1178703.mozfiles.com/files/1178703/24526101583.pdfIn PDF document text
    • https://site-1166657.mozfiles.com/files/1166657/police_siren_horn_sound.pdfIn PDF document text
    • https://site-1199973.mozfiles.com/files/1199973/7396556753.pdfIn PDF document text
    • https://site-1178289.mozfiles.com/files/1178289/4_immagini_e_1_parola_5_lettere_soluzioni.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/gizonukorad/shiva_god_third_eye.pdfIn PDF document text
    • https://s3.amazonaws.com/jizubisetebof/rulumi.pdfIn PDF document text
    • https://s3.amazonaws.com/nowokil/simelot.pdfIn PDF document text
    • https://s3.amazonaws.com/petubapizo/brawler_s_razor_claws_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/tajimipojimo/95877595769.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_off0000dfb9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDFB9 4844 bytes
SHA-256: 15a94775967f88c45c60a6557d86340340900346119435932e4ebacc0fcd34a5
font_01_sfnt_off0000f011.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF011 11172 bytes
SHA-256: c131e4c5f4a2f8f3abde2a3cabc3ab2ba156c7fca3460b7873bd0724372b4a69

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