Malicious PDF — malware analysis report

Static analysis result for SHA-256 2be0a8fbb0cf2313…

MALICIOUS

PDF

80.4 KB Created: 2021-04-03 03:32:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-07
MD5: 8d18de7be0673ec629fa0d1abcf7a5e0 SHA-1: 13d511fda1f8347054163ae978885e8d9890d1fc SHA-256: 2be0a8fbb0cf2313e5d6ed8d1edba94a85d4e4c1cee0aa6904754ebe9a8c7352
96 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URI pointing to 'bologen.ru', which is likely a phishing or malware distribution site. The document body, though heavily obfuscated, contains keywords related to dating and chat, suggesting a social engineering lure. No scripts were extracted, but the presence of external URIs and the overall classification strongly indicate a phishing attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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://bologen.ru/wix?keyword=emo+dating+chat+and+meet PDF link annotation
    • http://tixomuwenape.22web.org/agreement_format_for_manpower_supply.pdfIn PDF document text
    • https://cdn.sqhk.co/vowibesep/hhgiehb/ufc_254_khabib_vs_gaethje_predictions.pdfIn PDF document text
    • https://cdn.sqhk.co/timafewa/yjghgia/jurijakeladifal.pdfIn PDF document text
    • https://cdn.sqhk.co/lolajelor/Dq7Vicn/torazeb.pdfIn PDF document text
    • http://jirenaxapibetig.scienceontheweb.net/nakojiwurutu.pdfIn PDF document text
    • https://cdn.sqhk.co/wugolekufo/jwgjgdo/enhanced_camera_mod_skyrim.pdfIn PDF document text
    • https://cdn.sqhk.co/vinizedanuve/hdpJugj/siwutiweteru.pdfIn PDF document text
    • http://zesegalos.scienceontheweb.net/68432442017.pdfIn PDF document text
    • http://razejeperijifop.22web.org/craft_foam_sheets_michaels.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/doxifuba/antiphospholipid_syndrome_clot_formation.pdfIn PDF document text
    • http://tulajadulixo.myartsonline.com/67415309524.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/52508fcf-f050-4751-9ec2-d626f74095fa/how_the_grinch_stole_christmas_book_read_online_free.pdfIn PDF document text
    • https://s3.amazonaws.com/vetamedisoz/outlook_email_template_background_image.pdfIn PDF document text
    • https://s3.amazonaws.com/rewepalazamiso/pifovoru.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e1a3c592-81e7-4559-ae43-d2d0fd4af9e0/uniden_dect_6.0_answering_machine_record_greeting.pdfIn PDF document text
    • https://s3.amazonaws.com/dorulusof/auto_reply_outlook_template.pdfIn PDF document text
    • https://s3.amazonaws.com/diwitapezu/binary_logic_gates.pdfIn PDF document text
    • https://s3.amazonaws.com/veraxawewib/75730599626.pdfIn PDF document text
    • https://s3.amazonaws.com/bojafazes/fishbone_diagram_free_template_excel.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8abd47d3-b386-451a-b25e-7a67ed9f3f99/lezutisijirew.pdfIn PDF document text
    • https://s3.amazonaws.com/wuwabobujasivor/cheliceriformes_myriapods_insects_crustaceans.pdfIn PDF document text
    • http://xijasuda.rf.gd/jinimep.pdfIn PDF document text
    • http://rezumasalimod.epizy.com/conceptos_de_quimica_organica.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e4d05d0f-096e-4dee-b390-038ef11cc29b/wu_tang_clan_series_hulu_cast.pdfIn PDF document text
    • https://s3.amazonaws.com/nigimul/bejefubesovesokeni.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_off0000f9b1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF9B1 5004 bytes
SHA-256: 5e7a86f229b8586381c29b14119a5fce27f0ffa37681bce97b6cdae489e086db
font_01_sfnt_off00010a96.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10A96 12124 bytes
SHA-256: c809b923025454af0122bd21851d362c609dca5854c39c2a2370a89111e8aa80

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