Malicious PDF — malware analysis report

Static analysis result for SHA-256 06885ff153ed0987…

MALICIOUS

PDF

78.7 KB Created: 2021-02-16 08:59:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: 747a3db93d089e654eddae495a191319 SHA-1: 8001a1d19afd75636eac2c4567342d3597614f1c SHA-256: 06885ff153ed0987267d60fb571ef4eaaaf3c4f76c388cb85f39385c8a3b1e5e
96 Risk Score

Malware Insights

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

The file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. An external URI was detected pointing to 'https://bologen.ru/123?utm_term=is+the+original+how+the+grinch+stole+christmas+on+netflix', suggesting a phishing or malware distribution lure. Although no scripts were explicitly extracted, the PDF format can embed JavaScript, which is often used to exploit vulnerabilities or redirect users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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/123?utm_term=is+the+original+how+the+grinch+stole+christmas+on+netflix PDF link annotation
    • http://gebajajax.22web.org/android_studio_java_version_support.pdfIn PDF document text
    • https://cdn.sqhk.co/jogujufuza/eVjdFCN/cheapest_contacts_online_canada.pdfIn PDF document text
    • https://cdn.sqhk.co/waxigapo/gjih7gf/limbo_song_lyrics.pdfIn PDF document text
    • https://cdn.sqhk.co/buvovemif/Uihjbji/blue_moon_song_selena.pdfIn PDF document text
    • https://cdn.sqhk.co/goduwonon/cwtXJge/94924170936.pdfIn PDF document text
    • http://manthoughtswebsite.website/manual_abertura_de_empresa_jucespzxxek.pdfIn PDF document text
    • https://cdn.sqhk.co/fodexuxefeba/bsghsHL/shudder_app_ps4.pdfIn PDF document text
    • https://cdn.sqhk.co/jekurona/aVgd5Ut/dozuxarofopefirafiwalijep.pdfIn PDF document text
    • http://zuluwana.iblogger.org/down_syndrome_thyroid_screening_guidelines.pdfIn PDF document text
    • https://cdn.sqhk.co/dubikewe/jcEjigi/66111566902.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://tisuvelepep.rf.gd/renubamupasosonapapo.pdfIn PDF document text
    • https://s3.amazonaws.com/pirosisob/76756198930.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_off0000f34c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF34C 5392 bytes
SHA-256: c8c2b22f03ab0b9e08d9e34b34a97de6276c9d5416a4a535fc8d8797272f344e
font_01_sfnt_off00010592.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10592 11824 bytes
SHA-256: 248ce6512a9ba8280a2d07d47b9b1f9d33407487fc801cfcb7bb4d144328edcd

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