Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ad90c1cbd2f32c5…

MALICIOUS

PDF

78.0 KB Created: 2021-03-03 04:44:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-21
MD5: 01aa1f824b61f083b5fb5d2f19f5c2e3 SHA-1: fe2f6f715cfdfa3e6690fba52a503b2db27b0648 SHA-256: 2ad90c1cbd2f32c585d65a34e8f1679e79053c641630f785702e9d9585eaf05f
96 Risk Score

Malware Insights

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

The file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan payload. It contains an embedded URI pointing to a suspicious domain, likely intended to host a malicious payload or redirect the user to a phishing site. The document body, though heavily corrupted, suggests a lure related to 'The Aeneid' translation, which is likely a pretext to encourage clicking the malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://gimoguvi.ru/strik?utm_term=robert+fagles+translation+of+the+aeneid PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4422135/normal_5ff9ef966c53a.pdfIn PDF document text
    • http://reduslim-ordina.site/ccv_tamil_hd_movies360yx.pdfIn PDF document text
    • http://moitender.org/janasheen_mp3_songs_downloadcpfmy.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4401732/normal_6026eb77321ea.pdfIn PDF document text
    • http://roman-holidays.shop/pedaleira_zoom_g1xon_manual_em_portuguescjnp3.pdfIn PDF document text
    • http://zatoboyvibor.fun/10063031027bo87p.pdfIn PDF document text
    • http://abanca-electronica.com/12386073610d5tdy.pdfIn PDF document text
    • http://eyebrowthreadingdallastx.com/brownie_household_elf_badge_requirementsezhkx.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4381751/normal_5fe9b211b7539.pdfIn PDF document text
    • http://megatorg.ru/living_room_furniture_arrangement_ideas_corner_fireplacecftq4.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4470220/normal_5fe13e718c344.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/turip/botisasodijekitorazeb.pdfIn PDF document text
    • https://s3.amazonaws.com/mixanaz/kyneton_restaurants_dining_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/towakog/ge_service_number_canada.pdfIn PDF document text
    • https://s3.amazonaws.com/vabedafozo/43162786166.pdfIn PDF document text
    • https://s3.amazonaws.com/zazelujeju/wezav.pdfIn PDF document text
    • https://s3.amazonaws.com/lezopobigeza/achievements._csv_clash_of_clans_hack.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_off0000f39c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF39C 5316 bytes
SHA-256: 485a111932e9176cfaeeee8c61f029e569a07ef7624f070c956b087ea7dea616
font_01_sfnt_off000105b0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x105B0 10860 bytes
SHA-256: b3e3459376df6a56fbf9f844445b04866adbd4c170437757cacbda3fe5da2ecb

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