Malicious PDF — malware analysis report

Static analysis result for SHA-256 1aab79280a2a7df5…

MALICIOUS

PDF

60.0 KB Created: 2020-08-06 20:20:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e110fd73da5bf07174ea614827858a1e SHA-1: 682ad85e9c178b467fb7824fa28d193712cceefa SHA-256: 1aab79280a2a7df5615cd36fed13cc329259a13306cc3b507b9f7183413c8e93
194 Risk Score

Malware Insights

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

The PDF was flagged by multiple critical heuristics for containing malicious redirector links and a link farm. The ML classifier also strongly indicated maliciousness. The embedded URL 'https://ttraff.com/pify?keyword=brewing+adjuncts+pdf' is a key indicator of a malicious redirector. The extensive use of Shopify-hosted PDFs suggests an attempt to obscure the true malicious destination.

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=brewing+adjuncts+pdf In PDF document text
    • http://files.johnhoma.com/uploads/1/3/1/4/131407144/8321852.pdfIn PDF document text
    • http://files.moondewessences.com/uploads/1/3/1/3/131379249/7c62b9b09c84f5.pdfIn PDF document text
    • http://files.glenforestpsychological.com/uploads/1/3/2/8/132814342/9968942.pdfIn PDF document text
    • http://files.indygreencongregations.org/uploads/1/3/0/9/130969160/2855870.pdfIn PDF document text
    • http://files.royalglossbrat.com/uploads/1/3/2/6/132681969/gutuxuro-daluk-gujiguto-vafotumoj.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/1/0434/9722/6402/files/kapulomiparewiloranosebu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7881/1810/files/tujonixowumov.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7441/2949/files/rorebuwuxitit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9245/8152/files/pewawisofanuto.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2313/0009/files/varasikuperewetipevofowe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0133/1360/files/xosujavadisujuf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8720/0418/files/skamper_owners_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xekosipavejidowusa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3468/1250/files/kirezok.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4656/8098/files/39348378468.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8401/2956/files/59491507179.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 8

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_off0000ad08.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAD08 5508 bytes
SHA-256: 0926b7e9731dd604393045925430c79b6c8f1109b829a12ee77619c1d3ca438d
font_01_sfnt_off0000bfec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBFEC 10272 bytes
SHA-256: 2f8bc8a63384ac21a5383f37455f9c468dff1df7a337cec9ef55c9a6c6c44806

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