Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ceaa9a1fb6d7739…

MALICIOUS

PDF

90.6 KB Created: 2021-04-03 04:27:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-14
MD5: 8de68754e4f7719e0884cdb747e52e95 SHA-1: 1aa245c2058ae0bc1c119f0d656bf62c82373dfc SHA-256: 9ceaa9a1fb6d7739587abd06295a87ebff7286f19935277575324125b1242771
204 Risk Score

Malware Insights

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

This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous external links, with a primary lure pointing to 'https://xezojetit.ru/wix?keyword=panama+city+beach+tv+guide', suggesting a phishing attempt disguised as a TV guide. The presence of a large number of PDF links, including one to 'https://s3.amazonaws.com/mojivikapeti/bupojakodixekifejax.pdf', indicates a potential link farm or redirector strategy to obscure the final malicious destination.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 7

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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://xezojetit.ru/wix?keyword=panama+city+beach+tv+guide PDF link annotation
    • https://lafitezin.weebly.com/uploads/1/3/5/3/135323108/zaravojoja-zunedami.pdfIn PDF document text
    • https://fuluposusiziz.weebly.com/uploads/1/3/5/3/135321682/afd5f0a4a.pdfIn PDF document text
    • https://kutenenoki.weebly.com/uploads/1/3/4/7/134704657/velusefobidaja.pdfIn PDF document text
    • https://gedesinikus.weebly.com/uploads/1/3/5/3/135323437/3908200.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/mojivikapeti/bupojakodixekifejax.pdfIn PDF document text
    • http://zixedofa.epizy.com/tet_2020_answer_key_download.pdfIn PDF document text
    • http://pibekolovaxizon.epizy.com/bigetadidimowitewevesawuf.pdfIn PDF document text
    • https://7f3dc8b3-869c-44c5-82eb-14ae88d57796.filesusr.com/ugd/dc4ca1_197a6cd54da746a799af97dda349461f.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/zoxewudunigus/betazikirukofumitet.pdfIn PDF document text
    • https://s3.amazonaws.com/pusori/angularjs_form_checkbox_value.pdfIn PDF document text
    • https://0621cc9e-6449-4e8a-a8bd-baee9ad62a2c.filesusr.com/ugd/affb4a_a6ad4eaaf0c442c48df0e7f1434b1761.pdf?index=trueIn PDF document text
    • https://eac5c218-d238-408c-98a6-8ff0ecbb25fc.filesusr.com/ugd/b1277d_d252ffc1c1e54539a00043a1f475247d.pdf?index=trueIn PDF document text
    • https://636e06b3-920c-4898-b827-ef778bbbc101.filesusr.com/ugd/40512e_9de144eb25f24f84b1e0f3cc6ba462e8.pdf?index=trueIn PDF document text
    • https://562c2315-396f-49d1-9e45-1236e049cb13.filesusr.com/ugd/ec0012_1bddf1a0cbb44b878b1fba48bb4cb838.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/pululusodogi/59354616143.pdfIn PDF document text
    • https://e6a48395-9ebc-465e-8505-c4b20d7b8e72.filesusr.com/ugd/81e12b_00bb81b0fc2f4a148fae951cbffbaba4.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/fedure/forukowisopijivoluga.pdfIn PDF document text
    • https://8acf0fc4-2da8-4686-9788-d7840b5449fc.filesusr.com/ugd/fab691_fd55c3db6a9e4429b1ed43824c057a1d.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/niporofez/can_i_use_my_vicks_vaporizer_with_just_water.pdfIn PDF document text
    • https://s3.amazonaws.com/bezorito/lab_report_agarose_gel_electrophoresis.pdfIn PDF document text
    • https://s3.amazonaws.com/pezofut/dbt_skills_reference_sheet.pdfIn PDF document text
    • https://1a447ccf-a6a5-490c-ad31-399ae8169532.filesusr.com/ugd/cf5184_bdae3f382f744880a19cec2df0ad0f84.pdf?index=trueIn 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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00012217.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12217 5348 bytes
SHA-256: 426124e9f63200d6030f38709c546010daa9332d60f702912e132ba5378b1d00
font_01_sfnt_off00013433.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13433 12196 bytes
SHA-256: caf10dbf4b4ce2d9c61f91e70c84cb3c97e8db47ec3d4ee38f475ba2f6aae43b

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