Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5e964e5ed0cd19e…

MALICIOUS

PDF

70.5 KB Created: 2021-01-02 09:51:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2022-06-20
MD5: e6302a10dd01398e84aec29f935823c4 SHA-1: a38904182854b4f952f137d1406ccf6549430cfc SHA-256: c5e964e5ed0cd19e6f25b547fcb4193fec6fd2863893699d0b9a10504b3bdc06
244 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 9

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • Fake encrypted/secure-document view lure high SE_ENCRYPTED_DOC_LURE
    Document claims to be an encrypted or protected file that must be opened through a 'secure view' link, and the action link uses deceptive infrastructure. This is the secure-document credential-phishing carrier: the page imitates a secure-mail / document-cloud gate while the link leads to a harvesting site. action link to abused redirector.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://traffset.ru/shook?utm_term=t-+mobile+customer+service+english PDF link annotation
    • https://jonipafatanepa.weebly.com/uploads/1/3/2/7/132741476/remimuwozux_mapupagagu_kulufafalidadin.pdfIn PDF document text
    • https://zomerasojukoluw.weebly.com/uploads/1/3/4/7/134769652/rufinata-rurupefaju-lalesujupajafel-riwojovomi.pdfIn PDF document text
    • https://tirasuvemesamu.weebly.com/uploads/1/3/4/6/134672388/gegabavemaxux.pdfIn PDF document text
    • https://joguputip.weebly.com/uploads/1/3/4/6/134681535/wivazolow-lawafunojusi-vebomipo-mebuzimano.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/bepukuba/free_coloring_sheets_for_toddlers.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fa58714e-e38e-41ac-952a-ebda45391c77/google_drive_batman_1989.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4ec442be-02e3-4587-8e31-0bc1007964b8/article_190_of_pakistan_constitution.pdfIn PDF document text
    • https://s3.amazonaws.com/zetituri/amatic_bold_free_font.pdfIn PDF document text
    • https://s3.amazonaws.com/lezopobigeza/levanto_surf_report.pdfIn PDF document text
    • https://s3.amazonaws.com/vebenok/zaboworen.pdfIn PDF document text
    • https://s3.amazonaws.com/tuxexi/auto_motor_und_sport_formel_1_sonderheft.pdfIn PDF document text
    • https://s3.amazonaws.com/mafavuzenoliki/48193663956.pdfIn PDF document text
    • https://s3.amazonaws.com/mamukawaxatali/28117292018.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f1cd80f3-87f4-486d-af47-654be3319a2b/post_order_traversal_time_complexity.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/628cb456-5103-4c09-9b54-a07f991d71cc/pastorelas_navideas_cortas_y_divert.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_off0000d73c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD73C 5184 bytes
SHA-256: b1ac2aa913352225c07b0a51ba3e9b71995599b3fd60b302d70ec187ecc7122d
font_01_sfnt_off0000e8c6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE8C6 10728 bytes
SHA-256: ae1e8be358965e456cebe9e0efb892e826bba094b0afc905b40a8520ad22440c