Malicious PDF — malware analysis report

Static analysis result for SHA-256 5c0cfcb7002622f8…

MALICIOUS

PDF

304.5 KB Created: 2021-03-31 22:33:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 9e39fd4fc772c50abd8bbad121f7c365 SHA-1: 987d3a6717050a857f650546ea9e8aa71e837a1d SHA-256: 5c0cfcb7002622f8d9fb18edda7c1ed761b9a5409d5ff0bcc343dcc08230e006
96 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9794

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://jottigo.ru/award?keyword=essential+idioms+in+english+phrasal+verbs+pdf PDF link annotation
    • https://cdn.sqhk.co/nizivatitogu/ah7jdRZ/30742058238.pdfIn PDF document text
    • https://lapedegino.weebly.com/uploads/1/3/4/6/134689006/6824298.pdfIn PDF document text
    • https://dozogifelezu.weebly.com/uploads/1/3/4/3/134313369/0e38c62e4.pdfIn PDF document text
    • https://bewulikafujisew.weebly.com/uploads/1/3/5/3/135326730/732cc16b6b7.pdfIn PDF document text
    • http://beviluxenumiliv.mywebcommunity.org/test_for_anions_and_cations_table.pdfIn PDF document text
    • https://cdn.sqhk.co/fuzekofuwe/JthbkN4/2d_shapes_activity_sheet_ks1.pdfIn PDF document text
    • https://zerimesatevig.weebly.com/uploads/1/3/4/8/134879836/fozubudibov.pdfIn PDF document text
    • https://duzareledibasa.weebly.com/uploads/1/3/4/8/134890493/deratoguvafan-susepomejonot-batuvod-kifudali.pdfIn PDF document text
    • http://jirenaxapibetig.scienceontheweb.net/senefesaxipefe.pdfIn PDF document text
    • https://lejonelawubuw.weebly.com/uploads/1/3/1/4/131453657/tupuzon-sixabazem-debupigaka-sumepozekoz.pdfIn PDF document text
    • https://sajenaviwabawi.weebly.com/uploads/1/3/4/2/134266368/jakutezefule-pixodunusolobaf-jokafadavawedem-zoralab.pdfIn PDF document text
    • https://cdn.sqhk.co/wujakegu/jnAjiIt/83330514023.pdfIn PDF document text
    • https://cdn.sqhk.co/gadowikuxe/jds3eC2/7586590068.pdfIn PDF document text
    • https://dafavazama.weebly.com/uploads/1/3/4/8/134893815/xovubejitomawulos.pdfIn PDF document text
    • http://zenaxudoriw.mypressonline.com/zebeji.pdfIn PDF document text
    • https://cdn.sqhk.co/fusajovogi/xji8hh7/41660594774.pdfIn PDF document text
    • https://cdn.sqhk.co/govazofaj/7D6ihHE/flow_free_warps_sampler_level_144.pdfIn PDF document text
    • https://cdn.sqhk.co/zixagiko/d1ieL9N/kaxoxaromorefamukarifirad.pdfIn PDF document text
    • http://dikoxikikalonib.scienceontheweb.net/vedijunafilikag.pdfIn PDF document text
    • https://vabinori.weebly.com/uploads/1/3/4/3/134348027/f3a08be868438.pdfIn PDF document text
    • https://cdn.sqhk.co/butiluluvuk/g2iluhi/20732270930.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/xipavir/1080p_60fps_bollywood_video_songs.pdfIn PDF document text
    • https://s3.amazonaws.com/pafexegud/base_de_dados_definio.pdfIn PDF document text
    • https://s3.amazonaws.com/wanasuvedigo/whatsapp_the_latest_version_2019.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_off00047449.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x47449 5612 bytes
SHA-256: 49387d86d713ce9a0c7cb7cc5d7ac6cf4d82b1ad64ab707ffcf435df716dc886
font_01_sfnt_off0004873a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4873A 13080 bytes
SHA-256: 19f96153172aee46fd422799100497881f9a895fc289eacbf89c4ab9a47894e3

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