Malicious PDF — malware analysis report

Static analysis result for SHA-256 fc0e68d3c65f9f4d…

MALICIOUS

PDF

77.2 KB Created: 2021-01-30 15:35:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 35cc6d34d376215fd338d0296c519748 SHA-1: e1e24e5d01c218b252f629d38033b86c6ef8999d SHA-256: fc0e68d3c65f9f4d910fb9e98355be311d6cd016ba2427975b48ffc8d95bd928
96 Risk Score
Tags
free-cdn-ebook-manual-lure

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 0.9998

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://maypoin.ru/aws?utm_term=blocking+caller+on+android PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4424951/normal_5fe51ca8d3307.pdfIn PDF document text
    • http://nakrutkavk.site/berjaya_times_square_mapz73gq.pdfIn PDF document text
    • http://cashbackk.site/marche_en_bton_prfabriqu_leroy_merlins9vln.pdfIn PDF document text
    • https://cdn.sqhk.co/fufigavaki/eicjfoq/healow_create_account.pdfIn PDF document text
    • http://bitipusefotas.66ghz.com/91129356183.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4381976/normal_5fe6c838410d2.pdfIn PDF document text
    • http://dostafood.xyz/jazoduxetulejpq9w.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4413705/normal_5fdd097d23e09.pdfIn PDF document text
    • http://front-glass.website/anime_avatar_maker_apk3e62f.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://wepilige.epizy.com/vidmate_hd_video_er_2018.pdfIn PDF document text
    • https://s3.amazonaws.com/gajakelegeza/geometry_worksheet_3._1_congruent_figures.pdfIn PDF document text
    • http://vepesupilet.epizy.com/wafamiwemiraza.pdfIn PDF document text
    • https://s3.amazonaws.com/somamere/pflanzenbestimmung_nach_blattformen.pdfIn PDF document text
    • https://s3.amazonaws.com/lekizopiloref/befogewile.pdfIn PDF document text
    • https://s3.amazonaws.com/zafirawit/climatic_regions_of_the_world.pdfIn PDF document text
    • https://s3.amazonaws.com/zizene/mcent_browser_apk_free_full_version.pdfIn PDF document text
    • http://guxozuzemonixe.epizy.com/redudosune.pdfIn PDF document text
    • https://s3.amazonaws.com/vavapekadoliti/dujafinudofule.pdfIn PDF document text
    • https://s3.amazonaws.com/bomifabipi/73973284602.pdfIn PDF document text
    • https://s3.amazonaws.com/wopari/building_construction_ppt.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_off0000f080.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF080 5040 bytes
SHA-256: 95bcf3dc759d06a33025c76abdb6aec90646b91dd134ae744f9e4688e3001876
font_01_sfnt_off000101b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x101B6 11128 bytes
SHA-256: e6bad8b7c843fb4bdbed95d79452d2d54d8681d41e4e38296630f3f41851726e

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