Malicious PDF — malware analysis report

Static analysis result for SHA-256 bfe989cf5356ee68…

MALICIOUS

PDF

48.9 KB Created: 2020-07-28 19:05:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3da340ab87c07de9bbd72598a2f59d06 SHA-1: a31a5bd4b00cf3e4302bcb65c098041a94adbf6d SHA-256: bfe989cf5356ee682d5a8b9de4aa1c2045dadb90f03d154e11ab599cf9e7c759
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.cc'. Additionally, it exhibits a PDF link farm, with numerous links hosted on cdn.shopify.com and other domains, suggesting an attempt to manipulate search engine results or distribute further malicious content. The document body is heavily obfuscated and contains metadata indicating it was generated by wkhtmltopdf.

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.cc/pify?keyword=letterhead+samples+templates In PDF document text
    • http://files.sincerelythecraft.com/uploads/1/3/2/6/132696512/vubukekapebi_mugafepos.pdfIn PDF document text
    • http://files.peascommunity.org/uploads/1/3/0/7/130740258/wotesazem_jopoxu_loxoribujisawul_xeraruji.pdfIn PDF document text
    • http://files.markhamgolf.net/uploads/1/3/1/3/131384771/76463.pdfIn PDF document text
    • http://files.grantdemingneighborhood.org/uploads/1/3/1/4/131437438/cbc9912f66396f3.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/1/0431/2206/5557/files/59397407513.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4294/7751/files/vagonurageborajijifip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9785/7954/files/katotoza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5756/9176/files/dujewizibunediru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2589/9421/files/xanopusexigusavilakiritox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1079/3370/files/276205513.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7639/4901/files/gurufuvatudip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4828/8934/files/velagujunofut.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4641/2188/files/15432794261.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5216/3481/files/vojipol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6300/0734/files/33560244925.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7415/0809/files/bapesufubunujowugur.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8152/1560/files/13647701610.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2935/6959/files/82495766925.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 7

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_off00008447.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8447 4664 bytes
SHA-256: d3ef7f975750feddeb1534ef740993fc93c7bfb6c8496975fa6492792cdb43e7
font_01_sfnt_off00009412.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9412 10080 bytes
SHA-256: 542f3054aa37df5e34ad4a59ac0b07b0603868af70d81ef6279be5086177e875

Open this report in the interactive analyzer, or submit your own file for analysis.