Malicious PDF — malware analysis report

Static analysis result for SHA-256 3dc907c824978031…

MALICIOUS

PDF

46.1 KB Created: 2020-08-04 04:58:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c46b409904723bdc759a2b882a6c091e SHA-1: 55455e562239e1200e8a33cb8869a66eff382e0d SHA-256: 3dc907c824978031527542bba9e4dcf541deb95034e37c467bc4ee7f1f24da36
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The primary malicious URL identified is https://ttraff.com/pify?keyword=aboriginal+map+of+western+australia+pdf, which is designed to redirect users. The document body, though heavily obfuscated, contains this URL, suggesting a social engineering lure. No scripts were extracted, but the PDF structure and link farm indicate a delivery mechanism for further 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=aboriginal+map+of+western+australia+pdf In PDF document text
    • http://dowivolu.tampabaygospelawards.com/uploads/1/3/1/4/131437515/nakofes.pdfIn PDF document text
    • http://files.hanaleispirits.com/uploads/1/3/0/7/130775701/vopokepek.pdfIn PDF document text
    • http://files.detourtowonderland.com/uploads/1/3/1/0/131071243/6583005.pdfIn PDF document text
    • http://files.willowickfootball.org/uploads/1/3/0/8/130814492/sijibuseselew_jejanu_bisuginefovetaw.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/1/0428/8570/9987/files/zidabuvakasejif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7339/7145/files/95264590749.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6559/6321/files/42892581118.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4087/4408/files/25382468146.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0058/6649/files/87535648080.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9703/0817/files/81426188173.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4325/8522/files/68692906617.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6405/6225/files/79664977215.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0306/7038/files/human_biology_mader_12th_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0742/7238/files/wigorafubodekelipuxokinok.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/0505/6920/files/78907660058.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6912/6309/files/49991876456.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0311/7721/files/5880132886.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 6

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_off0000756e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x756E 5580 bytes
SHA-256: 4637ee9a3be34b3279ac1ee8efbb57bd12efef1bd47e4faa35968989d20ab1df
font_01_sfnt_off0000885e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x885E 10116 bytes
SHA-256: 65490b7bed40fd1118ea23b0c3419fc3db7c0362b677c6a84ce1bea5a1bbac7d

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