Malicious PDF — malware analysis report

Static analysis result for SHA-256 8d2f3c5e755aa70a…

MALICIOUS

PDF

42.7 KB Created: 2020-08-14 17:12:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 56026fddd53a17bf1ab11c7a150b2ef7 SHA-1: d12bd1c5bb6919cdedafd8ea896cac3bce9b584a SHA-256: 8d2f3c5e755aa70a006a6547855f51bb0a0a5b44bae79600340850563a6a1072
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.com/pify?keyword=bad+blood+remix+song'. It also exhibits characteristics of a PDF link farm, embedding numerous external links, many hosted on Shopify. The document body, though heavily obfuscated, contains the same redirector URL and other PDF links, suggesting the primary intent is to drive traffic to malicious infrastructure. No scripts were extracted, limiting the analysis of further stages.

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=bad+blood+remix+song In PDF document text
    • http://files.vcs.lglministry.org/uploads/1/3/0/7/130738956/1609742.pdfIn PDF document text
    • http://files.flagstaffscies.org/uploads/1/3/0/8/130814208/e2522e7d633c1.pdfIn PDF document text
    • http://files.splitdecisionimprovcomedy.com/uploads/1/3/1/4/131437402/jasakesiji.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/1/0437/6556/3549/files/badewiwitagozisirili.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6124/7129/files/fuwupijaselefuvapajix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6590/8136/files/dapegibugepovutarox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/40035930655.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7763/2154/files/zirunaborozok.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8202/3061/files/ashrae_fundamentals_handbook.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8583/2096/files/waxutusasagogijenuf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7004/3813/files/27556603755.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6397/5835/files/57926664796.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3301/6982/files/sowizakipeta.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6101/0842/files/71370701250.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8628/9832/files/zuperofi.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 4

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_off0000696f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x696F 5400 bytes
SHA-256: 588ee7a93abff6b116effcee55fe6231237f786e1de0ed99a40c7804b044fd38
font_01_sfnt_off00007bb2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7BB2 10088 bytes
SHA-256: 98eedcc4853497fee5c8ab7f3c882898ea4ce800176c4b60dbbda40a11a19b25

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