Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd1d2e3bafd4b6b9…

MALICIOUS

PDF

41.7 KB Created: 2020-08-02 07:31:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 77e6c119fb1a9620863ccf3027c44909 SHA-1: a0358593208c584d35e6b451fd9dfd108999c702 SHA-256: dd1d2e3bafd4b6b9494ca7a84cf3f039175585e296f93ea61b75c5e38b9980aa
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, many of which point to external resources. One critical heuristic firing indicates a malicious redirector link (https://ttraff.cc/pify?keyword=best+kotor+2+mods), suggesting the document is designed to redirect users to malicious sites. The presence of numerous other PDF links, many hosted on Shopify, further supports the idea of a link farm used for SEO manipulation or to obscure the final malicious destination. No scripts were extracted from this sample.

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.cc/pify?keyword=best+kotor+2+mods In PDF document text
    • http://files.handbuiltvans.com/uploads/1/3/0/9/130969681/tewepimaj_kiwomemam.pdfIn PDF document text
    • http://files.wisteria-cottage.com/uploads/1/3/1/4/131438784/teratizewezudali.pdfIn PDF document text
    • http://files.parentlednetwork.org/uploads/1/3/0/8/130813781/6a072.pdfIn PDF document text
    • http://files.remedysuppliesllc.com/uploads/1/3/1/4/131453022/8882996.pdfIn PDF document text
    • http://files.stevenstackplaywright.com/uploads/1/3/1/4/131453574/vejogogisogira.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0287/9387/files/java_iterate_through_hashmap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rabilividobakomitunaxizug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3164/1767/files/penovimi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8315/3056/files/39239458496.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6051/7269/files/dapikisuvepinemifotum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1729/8329/files/pink_sober_lyrics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4484/7266/files/crafted_2d_minecraft.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/60233972239.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3905/5253/files/18568970049.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4504/4892/files/tavexejejejipu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0323/9840/files/heap_implementation_in_c.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2643/9582/files/12646521616.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0933/5715/files/pojonijogez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4021/9037/files/cub_cadet_st_100.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_off000067dd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x67DD 4976 bytes
SHA-256: 341f9e3075441b6988b3290613f5e5693a0017a0c829201ffcf5f11b69ff112e
font_01_sfnt_off000078ba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x78BA 9776 bytes
SHA-256: 1f0113efea3973f28d0685ef92743fc8b3aa6f0e53c5dbcb92b9ac6dc14f5ffa