Malicious PDF — malware analysis report

Static analysis result for SHA-256 30d7ae902f0f3dbd…

MALICIOUS

PDF

75.9 KB Created: 2021-03-18 21:23:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-02
MD5: e62225c062adc826d0e08317867337f4 SHA-1: 58177a06b41d7c5b7f8d3d1213ca1557dfd8220b SHA-256: 30d7ae902f0f3dbd975eb26c2381692c7902966074deaecdf025d189e578e8fc
126 Risk Score

Malware Insights

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

The PDF file contains a heuristic indicating it's a link farm on disposable hosting, with a specific URL pointing to 'castle clash cheats without download'. This suggests a social engineering lure to trick users into visiting a potentially malicious site. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution.

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 is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://lozipotod.ru/wix?keyword=castle+clash+cheats+without+download PDF link annotation
    • http://nutristrike-shop.ru/lagu_terdiam_sepi_cover_dj92vg4.pdfIn PDF document text
    • https://xidalivukudupet.weebly.com/uploads/1/3/4/3/134319957/88561e9a.pdfIn PDF document text
    • http://support-copyrighthelpservice-about.com/chicago_electric_reciprocating_saw_reviewdlgcc.pdfIn PDF document text
    • http://shopwithsale.website/what_is_commercial_vehicle_enforcementvobpx.pdfIn PDF document text
    • http://arendaavto.taxi/koxavazokuvatapejakitafixvitor.pdfIn PDF document text
    • http://raisinsapp.pro/juperekebukanu12sta.pdfIn PDF document text
    • http://kvrovk.xyz/razozunitugerjc67a.pdfIn PDF document text
    • http://mebel-albero.ru/how_to_set_clock_on_oxo_triple_timer7ce46.pdfIn PDF document text
    • https://fudesatalaponu.weebly.com/uploads/1/3/2/7/132710537/zilekawidox.pdfIn PDF document text
    • https://dipakinujudisil.weebly.com/uploads/1/3/4/4/134468351/4411880.pdfIn PDF document text
    • http://sun-italy.space/82662682584dqm6z.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/bff79bcd-8d8e-4a14-b6eb-592b435f3023/gokikubekogesiwiwef.pdfIn PDF document text
    • https://s3.amazonaws.com/dinisemowoge/fupijowirikatatuzir.pdfIn PDF document text
    • http://piredesoki.epizy.com/tefibanazokivegizuva.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b5c71f69-eca1-4f8e-b594-c2cb37f0c2f1/catch_me_if_you_can_true_story_facts.pdfIn PDF document text
    • https://s3.amazonaws.com/tezofuretejom/cyberpunk_2077_pc_1.04.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d3777fba-7f17-49c9-920a-1b3be0ccca30/george_foreman_evolve_grill_cooking_times.pdfIn PDF document text
    • http://pazipinabobon.epizy.com/best_business_analyst_books_for_beginners.pdfIn PDF document text
    • https://s3.amazonaws.com/bolovopizonuki/calculus_with_differential_equations_free.pdfIn PDF document text
    • http://puwagof.rf.gd/snail_solution_hydrogel_mask_sheet.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2ded8103-2cbc-48db-b657-31e73456d762/sabez.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_off0000e9cf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE9CF 4928 bytes
SHA-256: 7ed23ccd231b9a6d5a846b0a050d9b87734a1070f99b454979072650e8ee254c
font_01_sfnt_off0000fa9f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFA9F 11360 bytes
SHA-256: 6ae07f3b6c3a6ebad55fc17c5f7b82636ede474c23088887e78c7d275c4059dc

Open this report in the interactive analyzer, or submit your own file for analysis.