Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0f321235c688402…

MALICIOUS

PDF

78.3 KB Created: 2021-03-29 17:29:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: f267df52d6c33aef4ebbcc66dc68e2d2 SHA-1: 7b1cf8354d9abac62841eb59f1dda8c01e28d115 SHA-256: d0f321235c688402e5e98ba4b23f8f60ee84e407e2fbec2d47fba22ae3172ea4
156 Risk Score

Malware Insights

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

This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains a large number of external links, indicating a link farm or phishing attempt. The presence of embedded URLs and the PDF_SEO_LINK_FARM heuristic strongly suggest the document's purpose is to redirect users to malicious or deceptive websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 5

  • 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.
  • 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://druttle.ru/strik?utm_term=can+turtle+beach+420x+work+on+ps4
    • https://zokanebawabor.weebly.com/uploads/1/3/1/4/131438448/d58cfa7.pdf
    • http://carinsusa.info/spectrum_math_workbook_grade_8_free92cvz.pdf
    • https://wilowukodol.weebly.com/uploads/1/3/4/8/134881933/pekime_supiruvilama_gidupi.pdf
    • https://debamivuk.weebly.com/uploads/1/3/1/8/131871977/579775.pdf
    • http://tuzogat.sportsontheweb.net/cardiology_abbreviations.pdf
    • http://domsale.xyz/what_do_the_runes_on_sirius_blacks_wand_say4a7mg.pdf
    • http://toxipoxekej.medianewsonline.com/86248691003.pdf
    • http://datingdate.site/fabibodipagx0mhw.pdf
    • http://gebuhrenfrei-mein.com/thermodynamics_free_download0d6v1.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://gateguka.epizy.com/busting_loose_from_the_money_game_free.pdf
    • https://s3.amazonaws.com/jozaponi/tivizikixuregekumizuzir.pdf
    • https://s3.amazonaws.com/kizugokofo/zowusanixetugepi.pdf
    • http://sabepusejoponi.epizy.com/23447830783.pdf
    • https://s3.amazonaws.com/wujanozo/21074648767.pdf
    • https://ac65beef-1c88-4b01-a948-251493ed82f2.filesusr.com/ugd/09857b_35e791d039184280b0ec0050481f86b5.pdf?index=true
    • https://288c7b4b-0494-48f6-8ee2-9dd519b96b0a.filesusr.com/ugd/a107db_db40b526e1f741d2bcce458d7c148914.pdf?index=true
    • https://s3.amazonaws.com/pulujolatepuv/2011_honda_pilot_b136_service_code.pdf
    • https://2a009ac4-5770-49f2-ae16-4ce107243443.filesusr.com/ugd/59deca_8a72169ab7b74a33bb80f2f01c753c21.pdf?index=true
    • http://sedozod.rf.gd/nepalutodizej.pdf
    • https://153f2bed-3501-4ec5-9468-ed1987511f6d.filesusr.com/ugd/f67134_b463cd64888e4629b2b96a5e52a3784f.pdf?index=true
    • https://s3.amazonaws.com/zonivezada/fofudox.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f310.bin
624e4522d70e56819031c0986edc14099d05ad1bbaefccbb01bbfb69d07c35f7		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF310 5652 bytes
font_01_sfnt_off00010653.bin
589db47c2b0037a20a9e31912e437cb3446183122a61752600b11b4493f1ecc1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10653 10904 bytes

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