Malicious PDF — malware analysis report

Static analysis result for SHA-256 54316265e90c08fc…

MALICIOUS

PDF

42.0 KB Created: 2020-08-21 09:22:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 58808eeb30ee8434b144ac1b7be8a755 SHA-1: eb80f830b8daa5b829475331331b63d10d3714c4 SHA-256: 54316265e90c08fcf3704e7a41718f3807bc7128e78507f827fe647dcb21c53b
194 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, many of which are hosted on Shopify domains but appear to be part of a link farm. One critical heuristic identified a link to a known malicious redirector at 'ttraff.ru', which is likely the primary malicious payload delivery mechanism. The document body, though heavily obfuscated, contains the same URL and other links, suggesting a social engineering attempt to drive traffic to malicious infrastructure.

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.ru/pify?keyword=formal+assessments+in+physical+education In PDF document text
    • http://pilon.petfirstwalkersnsitters.com/uploads/1/3/1/4/131438873/jelukugojijuxa.pdfIn PDF document text
    • http://files.fhglory.org/uploads/1/3/2/7/132712139/rafedomol.pdfIn PDF document text
    • http://files.thefriendsofseasidelibrary.org/uploads/1/3/2/6/132681028/golunofirumas-jegojawelegefiv-zopori.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/1/0439/2960/0168/files/kinunixixefonuxorug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2637/5071/files/vasuwafazawokubegul.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3271/4135/files/45690799178.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5763/5735/files/solutions_manual_test_banks.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1608/3877/files/rumus_aritmatika_dan_geometri.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2732/5343/files/bodofofiminuzurogake.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0696/6429/files/h_pylori_guidelines_uk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1617/4243/files/xezolatoxefosuxituro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4620/7642/files/bookkeeping_transactions_tutorial.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8683/0998/files/55764981012.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0463/0777/0528/files/sezovos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2931/5229/files/credit_report_singapore_government.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0637/7633/files/combined_direct_and_bending_stress.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_off00006509.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6509 5372 bytes
SHA-256: e425ab8b86df8ea76cce922d1438e118a958419901ee723d04c71019474df86a
font_01_sfnt_off0000771d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x771D 9988 bytes
SHA-256: 87d6feed8fc49790d4c6c18f7be57cfc354f7d290458c6f78da95fdd2e6b0c4a

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