Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e9cb15fda879d00…

MALICIOUS

PDF

73.0 KB Created: 2020-12-17 06:51:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-07
MD5: 4b365052118ed0a9613f7a095b95e746 SHA-1: 36758f7b0b68370000edffa97fb8892ef941807c SHA-256: 1e9cb15fda879d00639898565643d64c61d32ea5306e059729f35529c6ec2e7f
156 Risk Score

Malware Insights

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

The PDF file contains numerous external links, a common tactic for phishing or distributing malware. The primary URL, 'https://traffset.ru/strik?utm_term=pixel+gun+3d+hack+ios+download', suggests a lure related to game hacks, likely to entice users to click and download a payload. The ML classifier and ClamAV detection strongly indicate malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://traffset.ru/strik?utm_term=pixel+gun+3d+hack+ios+download PDF link annotation
    • https://wimelavejitovuv.weebly.com/uploads/1/3/4/5/134597731/3594240.pdfIn PDF document text
    • https://telozigigozato.weebly.com/uploads/1/3/4/3/134310186/5996302.pdfIn PDF document text
    • https://romasagato.weebly.com/uploads/1/3/4/7/134723475/fajuvuvusapan-vifil-pizol.pdfIn PDF document text
    • https://duzufeto.weebly.com/uploads/1/3/4/7/134734580/tisimadofipike_poxuzebus_rezatasimus.pdfIn PDF document text
    • https://tabupuja.weebly.com/uploads/1/3/4/6/134647436/visemaburagaro.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbe3e893485235c8690f0f7/1606303369968/32120272995.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc165b36b97992eb55f884f/t/5fd096318f1ddd5ccbe01c18/1607505458156/life_and_death_in_the_bible_quotes.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5d426cdb-467c-4cd7-ab7e-e42bacf709fb/metaphors_in_romeo_and_juliet_act_iii.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0ebd09955c744b53ba8af/t/5fc25c22bc819f1cf42529ab/1606573090895/66499296023.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/93f5fa55-3e52-4e51-95dc-e93235d36666/club_san_diego_instagram.pdfIn PDF document text
    • https://s3.amazonaws.com/kuboki/semefevevumolenevojedafax.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf4e4761e25426e12f0846/1606372935671/21190209700.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc5acadaffbf90a660b1fb2/t/5fd1fd5db91f50015ef249e3/1607597405871/rojavuxipifibunupe.pdfIn PDF document text
    • https://s3.amazonaws.com/tixedujegibex/555_timer_bistable_multivibrator.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b0a27124-6c5a-4b6f-8b2f-6e5b5b274153/46137068193.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/af05ec37-1a5d-44e3-bb51-08de84642427/75632818362.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d243.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD243 5296 bytes
SHA-256: 73202d07107f5a587a998a4580fa51c4296937385ef950a45e155d5bd40a49bd
font_01_sfnt_off0000e443.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE443 10864 bytes
SHA-256: e783072587e71a3c335eda5c7da06b4b310559e97135dab892435eeddea7d924
font_02_sfnt_off0001093e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1093E 4324 bytes
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361

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