Malicious PDF — malware analysis report

Static analysis result for SHA-256 478462b94a817ed5…

MALICIOUS

PDF

69.8 KB Created: 2020-07-29 16:33:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 67e5f5c14a5c36e5aa630a3b0cdeb420 SHA-1: 333483b453c5b8a66c3b2af99d1f33d713a78f1f SHA-256: 478462b94a817ed5197f89b28013d5819ce6c36c74d045cfbd74c911b0e97996
234 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, directing users to 'ttraff.cc'. It also exhibits a PDF link farm, with many links pointing to benign Shopify domains but originating from a malicious redirector. The document body is heavily obfuscated, but the presence of a 'SE_PASSWORD_ARCHIVE_LURE' heuristic suggests the PDF is intended to trick the user into opening a password-protected archive, likely containing a secondary payload. The primary attack vector appears to be social engineering via a lure related to software utilities.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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=pdf+xchange+editor+spell+check In PDF document text
    • http://files.golddustrockers.net/uploads/1/3/0/9/130969254/tisavamev.pdfIn PDF document text
    • http://files.opencirclehealing.com/uploads/1/3/1/4/131437633/bunadegusunep.pdfIn PDF document text
    • http://files.westfieldkennels.co.nz/uploads/1/3/1/6/131637374/80f09badf0.pdfIn PDF document text
    • http://files.vargislab.com/uploads/1/3/2/8/132816195/7334198.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/1/0439/1878/6728/files/20252902097.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6146/8574/files/8747838757.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7141/4173/files/40614803976.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/4795/0248/files/20079449882.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8317/7885/files/vonosanipo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5274/5375/files/70874103893.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2913/4501/files/83730885662.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4276/7001/files/37056168531.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9277/8901/files/69402938967.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7631/2478/files/79790018618.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/33374625424.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0301/8392/files/wurosizolidexejuxebekefo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6106/7428/files/77272977942.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_off0000d459.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD459 5340 bytes
SHA-256: 4ff083bd84d6b1cf0d91c11d0c82d023678e513eba0fcfcd3a71c59d35c8a8e1
font_01_sfnt_off0000e674.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE674 10276 bytes
SHA-256: 174957b7f978422173c52bd79ad80312e871c4546564b1ad7144dec59cae36d2

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