Malicious PDF — malware analysis report

Static analysis result for SHA-256 be3dd5b2b378d0b0…

MALICIOUS

PDF

51.5 KB Created: 2020-07-29 01:30:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9add8dedb370b51f1737fb49659aa2e9 SHA-1: c082a588355fc50dc438ca29b7fbc6cc2375714f SHA-256: be3dd5b2b378d0b0da3bf8a6efe8000fb30f34d818c95c6829305aa796ecf3c6
194 Risk Score

Malware Insights

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

The PDF file was flagged by multiple critical heuristics for containing a malicious redirector link and a large number of external PDF links, indicating a link farm. The primary malicious URL identified is 'https://ttraff.cc/pify?keyword=fantasy+football+rankings+standard+cheat+sheet'. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool sometimes used to create malicious PDFs. The ML classifier also strongly indicated maliciousness.

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=fantasy+football+rankings+standard+cheat+sheet In PDF document text
    • http://files.wordcraftoforegon.com/uploads/1/3/2/6/132682235/44f3077b5.pdfIn PDF document text
    • http://files.lbtdlaw.com/uploads/1/3/1/4/131484133/vipajejo_kafukigojol.pdfIn PDF document text
    • http://files.stbartshighsprings.org/uploads/1/3/2/6/132682235/kivarebesugofi.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/1/0432/4907/4336/files/rozomamitatuw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6604/8165/files/10993487752.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7096/3350/files/96557973384.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6278/0311/files/52585740727.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9480/2589/files/42201927632.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3747/4466/files/20101395511.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0778/6654/files/rikagakunitozutelugewo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1035/8439/files/manidimerokovof.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9932/4580/files/47452100673.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6289/4498/files/fulevere.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2702/1480/files/37475067879.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9851/4343/files/56541260035.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9395/8560/files/35668493786.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
🗂 Part of campaign: wordcraftoforegon.com 4 samples

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_off00008c48.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C48 5332 bytes
SHA-256: 45751f750d73920e04b9eeb808b1a035305198520aa6394feeaed3c79a868e13
font_01_sfnt_off00009e65.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9E65 9996 bytes
SHA-256: d5cce29323dd4df1f0bfba0a0733491aa6f62729f7856d592b5edec293d3b8bc

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