Malicious PDF — malware analysis report

Static analysis result for SHA-256 4cdadb3bb1e58c06…

MALICIOUS

PDF

47.5 KB Created: 2020-08-22 09:20:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8f67e841ef31b868c44ee852274ee5e1 SHA-1: 7ab859320083790b929cbc10e5d1cfabe294bd9c SHA-256: 4cdadb3bb1e58c06dc52dd17c4f8abbcf303e179c5112f3dd3f61eb335520bda
194 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many hosted on Shopify. The document body, though heavily obfuscated, contains the malicious URL and references to other PDF files, suggesting a lure to external content. The primary intent appears to be redirecting the user to a malicious site via the 'ttraff.com' URL.

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=instagram+outline+template In PDF document text
    • http://refof.kamahelewineco.com/uploads/1/3/1/8/131857334/zevodexur.pdfIn PDF document text
    • http://files.arthurleewilliamsii736.com/uploads/1/3/0/7/130775979/tusisezive-kenebab-vodofemukonizin-bisixubuxosix.pdfIn PDF document text
    • http://files.ableequips.com/uploads/1/3/1/3/131383949/8788427.pdfIn PDF document text
    • http://files.papayasplace.com/uploads/1/3/0/7/130775071/karejipejatexi_pigepuvuk.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/1/0437/7768/7706/files/anydesk_free_for_windows_8._1.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7877/9029/files/96599547294.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8535/7463/files/vozasugamirelu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5272/0543/files/tofitunetaruvej.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6980/8548/files/pejafefepinetajufage.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nisexabidubukov.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0128/2711/files/tixogigetaxufubef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9231/1206/files/zomomalugikasukenifezam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6627/7531/files/93895093549.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0450/4194/2678/files/what_do_horses_eat_minecraft.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 5

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_off00007d30.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D30 5076 bytes
SHA-256: eaab17943b3effa0d37e535939d969d7de74f0ffcb1fbf509677c8af639088cb
font_01_sfnt_off00008e54.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E54 10292 bytes
SHA-256: 23cc1a16023209996cba9c4c73112980461090e230eb231ecdec289c213c0da0

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