Malicious PDF — malware analysis report

Static analysis result for SHA-256 88fd5442973809f4…

MALICIOUS

PDF

56.4 KB Created: 2020-08-02 11:38:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 59457e881dca8ca689d285488fa5810c SHA-1: ed79e44e6e30e68a3d7a9f82b5f8ade3a15014eb SHA-256: 88fd5442973809f49330a98c86f69b329b6e2cee12016240316aa1e666face99
234 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

This PDF file contains numerous links designed to appear as legitimate documents, but they redirect to a malicious URL. The primary redirector URL, 'https://ttraff.com/pify?keyword=personal+finance+kapoor+pdf', is associated with credential phishing, specifically impersonating PayPal. The document body and heuristics indicate a tactic of using SEO-optimized links to lure victims into clicking through to a phishing site.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.com/pify?keyword=personal+finance+kapoor+pdf.
  • 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.com/pify?keyword=personal+finance+kapoor+pdf In PDF document text
    • http://files.beyondtolerancewichita.org/uploads/1/3/2/6/132681634/6755461.pdfIn PDF document text
    • http://files.hlacupuncture.com/uploads/1/3/1/6/131606257/rafinugijipiz-dinox-nuzikiz.pdfIn PDF document text
    • http://files.erinumc.com/uploads/1/3/1/3/131398366/xofipipefezore_mufofemuxi_xemaperax_jilivaguzola.pdfIn PDF document text
    • http://files.northpointebaptistministries.com/uploads/1/3/2/6/132681295/lulelubijakolobo.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1811/5480/files/96499543484.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9775/9652/files/kexefi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5121/9104/files/80828037491.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6577/0133/files/69955683460.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kuzizurogepibisomagin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8353/8331/files/xajorewagopawopikofovebef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7027/5236/files/2569184081.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8855/2870/files/githut_remove_autocomplete.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zikoraj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8119/5927/files/66644132125.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5337/5897/files/16676570482.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9262/1978/files/napufa.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008efe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8EFE 4924 bytes
SHA-256: 6eddd6016698928b4c05275f228135f541982e3acc5f45bb4a96deb5065f5f46
font_01_sfnt_off00009fbb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9FBB 11236 bytes
SHA-256: 96d49a9f99b879611ccc9f6ed2f1e23bd101db6cd4f7903481f1a2db2dc10572
font_02_sfnt_off0000c5fe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC5FE 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e