Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d4f45928e63e4eb…

MALICIOUS

PDF

48.7 KB Created: 2020-08-03 08:59:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a707c7b64262cb5472576fc067f7897d SHA-1: e12a6fb0e2cdeeed6a3a31e72a91a1df6b0c463f SHA-256: 5d4f45928e63e4eb799473043ed351d12c17c5a280e0654372a148433b746c31
194 Risk Score

Malware Insights

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

This PDF document contains numerous embedded links, many of which point to a redirector service (ttraff.com) that is flagged as malicious. The document body itself is heavily obfuscated but contains the primary redirector URL and several Shopify-hosted PDF links, suggesting a link farm or phishing lure. The ML classifier strongly indicates maliciousness, and the presence of redirector links points towards an attempt to lead the user to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • 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=thousand+years+of+love In PDF document text
    • http://files.jassiewassy.com/uploads/1/3/0/8/130873983/662622.pdfIn PDF document text
    • http://files.paradigmshiftedu.com/uploads/1/3/0/8/130813483/ratobukezifilezipono.pdfIn PDF document text
    • http://files.veneficaclothing.com/uploads/1/3/1/6/131637014/9917641.pdfIn PDF document text
    • http://wedug.ashleyeglennon.com/uploads/1/3/0/8/130814788/3625938.pdfIn PDF document text
    • http://files.wilesanimalsdragonspottery.com/uploads/1/3/1/3/131398246/7334618.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/1/0433/9515/4070/files/weloloru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2358/7736/files/loginatigaxofipanelu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2530/9604/files/kevamo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6196/8025/files/49256970535.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7316/6744/files/gujuranerowivefafirivuvi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1945/9998/files/3d_printed_ar_lower.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9468/8419/files/bootstrap_image_classes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7833/7187/files/98557740795.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7645/9422/files/fowifogopugekegomi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0876/1764/files/megit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6995/5486/files/nivamuru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3964/5093/files/53041121572.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tefabojukiva.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006795.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6795 3388 bytes
SHA-256: 249120817a62692674a03fe6eaeef5d5527d2a8e73cea9ecf0c2d7e79810b552
font_01_sfnt_off000073b9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x73B9 4860 bytes
SHA-256: 4d1039ee6ff1252b22b47b693fae1803d36b3cc83b3ee1af2a50cf6d8dc264b7
font_02_sfnt_off00008435.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8435 10388 bytes
SHA-256: fd67046a5c4f654ae7ed818d0585e9c5b88ffac4d12ea95263600f42142eb84a
font_03_sfnt_off0000a73e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA73E 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34