Malicious PDF — malware analysis report

Static analysis result for SHA-256 107aee512c3e9127…

MALICIOUS

PDF

81.2 KB Created: 2021-03-23 22:34:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-30
MD5: c962e8f36eae478ff9efec53bd9aa213 SHA-1: 5d6d43e7ce85484a4b866c18fab5a115b3b56cbc SHA-256: 107aee512c3e91278977515db551bb13dd24cb74bd64eec4aee92ab1478559ca
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that redirects to a malicious domain, masquerading as a free song download. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution. No scripts were extracted, but the presence of external URIs and the overall detection suggest a phishing or downloader attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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=baazigar+film+songs+free PDF link annotation
    • http://idealsit.space/wisulemalupovubiwex1ixvu.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4481847/normal_60013c7527517.pdfIn PDF document text
    • http://potenciy.xyz/crosman_760_pumpmaster_parts_diagramw42id.pdfIn PDF document text
    • http://byseles.xyz/stress_concentration_factor_kt_formulam04np.pdfIn PDF document text
    • http://burrrhey.tech/bamuwegotugirirefexaxako5macf.pdfIn PDF document text
    • http://design-kvartira.info/49929259702d1fv7.pdfIn PDF document text
    • http://gaxesujite.medianewsonline.com/bassano_del_grappa_mappa.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4405925/normal_6035119e6cf33.pdfIn PDF document text
    • http://guwidibedebom.22web.org/82690808933.pdfIn PDF document text
    • http://lesuxofozadize.mygamesonline.org/the_adventures_of_tintin_all_books.pdfIn PDF document text
    • http://albatros-trans.ru/data_analysis_template_in_excely7vqp.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413244/normal_600dc387c6aa0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387406/normal_6046b741dacf2.pdfIn PDF document text
    • http://storezone.info/didiwugesiduxakdtric.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4499935/normal_605a03d61393c.pdfIn PDF document text
    • http://boldly-grow.com/tefitagamizuxuwamebekega8cxm0.pdfIn PDF document text
    • http://airned.ru/338917731203h976.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/rixevozajixezos/power_of_attorney_template_canada.pdfIn PDF document text
    • http://jolavewavesuj.epizy.com/bollywood_movies_free_filmyzilla.pdfIn PDF document text
    • https://s3.amazonaws.com/pululusodogi/susadiso.pdfIn PDF document text
    • https://s3.amazonaws.com/bededuxotulapil/81774430772.pdfIn PDF document text
    • https://s3.amazonaws.com/zufaxepixiguxax/jivalisapodusozorigig.pdfIn PDF document text
    • https://s3.amazonaws.com/lotibabakuj/blank_sheet_music_with_bar_lines.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f523.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF523 4892 bytes
SHA-256: 1a2c9951be38b391567467597c7a83e65217945f42ce5572129b2f361d86876c
font_01_sfnt_off0001059e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1059E 10744 bytes
SHA-256: 56c421605016cd111d2346e483b68a4b70ff0e66abe22efd48945fa4477d4520
font_02_sfnt_off00012a1a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12A1A 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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