Malicious PDF — malware analysis report

Static analysis result for SHA-256 af54d42a1c02eb3b…

MALICIOUS

PDF

39.9 KB Created: 2020-08-25 09:49:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3bd04b472478b4ea3433fe10604e1e26 SHA-1: 157e8152b306134fcee7e1d36dfaba5c2a86cb5b SHA-256: af54d42a1c02eb3b1e0e3054ca65390e4c744a00d1fba720fda7f2c670fea6fc
194 Risk Score

Malware Insights

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

The PDF contains a mass of external links, including a critical redirector to 'ttraff.com' disguised as an 'informative meeting template'. This suggests a phishing or scam attempt to redirect users to malicious content. No scripts were extracted, limiting further analysis of the payload delivery mechanism.

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=informative+meeting+template In PDF document text
    • http://mubapi.ashaniketancalicutnandhibazar.org/uploads/1/3/2/7/132740405/fuvakorakeg.pdfIn PDF document text
    • http://files.strangelouvre.com/uploads/1/3/0/7/130775942/9a7482e5219fe45.pdfIn PDF document text
    • http://files.thelocalbusinesspromoter.com/uploads/1/3/2/6/132681544/108915.pdfIn PDF document text
    • http://jemuzuli.mcleanmsband.com/uploads/1/3/1/8/131856161/pinoge.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/1/0431/1141/5959/files/6385502839.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4988/5606/files/47618511318.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3716/2646/files/contemporary_approaches_to_management_information_system.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6962/6781/files/route_of_drug_administration_pharmacology.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3917/9420/files/21036664033.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6443/4583/files/63169950434.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3006/7865/files/mivafivurinolotiwonososer.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6481/1935/files/merijujov.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_off00005ec3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5EC3 5040 bytes
SHA-256: cd43ad1bad9073fc3abe00e816fd2081d01d7d00d6916ed1744884580bbc707e
font_01_sfnt_off00006fd9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6FD9 10240 bytes
SHA-256: e656224a59a4f9d420c8b33712339ad596fba9d2fca642debe5071d1d4a8325b

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