Malicious PDF — malware analysis report

Static analysis result for SHA-256 89498e2f1cf79584…

MALICIOUS

PDF

134.6 KB Created: 2020-09-09 17:03:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a906fd4cf6c015d2334263c91d6387ae SHA-1: 0c888ed12819eb538e7d066307959d5ab29ad5e6 SHA-256: 89498e2f1cf795841cb7d8f9ea75194f82d984587e8d9a9d589d859a2835bec4
234 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1204.001 Malicious Link T1534 Steal or Forge Credentials

The PDF contains multiple heuristics indicating malicious intent, including redirector links and brand impersonation for credential phishing. The primary lure directs users to a redirector URL, which then leads to a phishing page impersonating Facebook. The document body, though heavily obfuscated, contains the malicious URL, suggesting it's part of a phishing campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 6

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
    Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://ttraff.me/pify?keyword=balupu+telugu+hd+video+songs+free.
  • 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://ttraff.me/pify?keyword=balupu+telugu+hd+video+songs+free In PDF document text
    • http://files.martijoyoga.com/uploads/1/3/2/3/132303382/86466b8fc.pdfIn PDF document text
    • http://files.myrawilliamsottewell.com/uploads/1/3/2/3/132303410/fekepobixi.pdfIn PDF document text
    • http://kigomubud.heal-md.com/uploads/1/3/0/9/130969937/kixevudugedima-tidesevozugoju-batirixoxilaf.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://static.usrfiles.com/ugd/b914b5_74ebe0bcfa4146bba25650bc6b618885.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/374ce0_6a8c532a80394fada7048619e78c766d.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/121e37_26fdeee0353b437bb7dad7ed3fa440ef.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/9b7d8a_2528ff1cc30c425d90a54e1480ee01e4.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/b8c837_00eae8365d8344c89a035ff6106dbf7a.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6328/6691/files/tezanemagogejaxojukorawum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5449/6935/files/lizutosemisuromarujufiv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7731/1395/files/application_of_buffer_solution_in_pharmacy.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/64bd79_b1d7ec7aacbe44df89248857af313473.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/f8de3e_8072bf11f55f4fb7938f934fae3fc04d.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

Related samples 6

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_off0001d43c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1D43C 5412 bytes
SHA-256: 94bfdf93dc9d51f1db8a14be28dd34bf4229b93ee1c3bdfa402e7a90ebf917d3
font_01_sfnt_off0001e6ae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1E6AE 11148 bytes
SHA-256: 48d882e6df5c0b7e7dcca4cfaa6c1ff1d851fbea371af93d400370ff1dcdd3b4

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