Malicious PDF — malware analysis report

Static analysis result for SHA-256 6dc4eab78cd82db5…

MALICIOUS

PDF

40.1 KB Created: 2020-08-15 14:14:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f45656a4c44325a48ecc4b85866cd89c SHA-1: 8e8d726f07005da4256582b57de6f99c89af23d7 SHA-256: 6dc4eab78cd82db5a3cf629f13b89aa0a1b936bc392b7ada6dfd6bf1aee508b7
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous links to external resources, many of which are hosted on Shopify and appear to be part of a link farm designed to mimic legitimate content. The primary redirector URL, https://ttraff.com/wb?keyword=nevus%20of%2ito%20pdf, is flagged as malicious. This suggests the document is part of a phishing or scam campaign, likely using SEO manipulation to attract victims. No scripts were extracted, and the document body is heavily obfuscated.

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/wb?keyword=nevus%20of%20ito%20pdf In PDF document text
    • http://files.learningaboutlife.net/uploads/1/3/1/3/131382406/gusotekafiv.pdfIn PDF document text
    • http://pelananib.merakigreatdanes.com/uploads/1/3/0/9/130969972/duveze.pdfIn PDF document text
    • http://files.transportes-salazar.com/uploads/1/3/1/3/131383318/ce0bb1887d.pdfIn PDF document text
    • http://files.artwithmrssouth.com/uploads/1/3/0/7/130775197/fixesiv_tunonitoxop.pdfIn PDF document text
    • http://files.fablegroundscoffee.com/uploads/1/3/1/4/131454090/320dd8dabd6.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/1/0448/1895/6448/files/reading_past_simple_regular_verbs.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5780/6486/files/psychological_counselling_techniques_pdf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5714/3199/files/tuvaveli.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0965/4434/files/mafusiwufe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/51906755497.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5989/4689/files/napebanevo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0127/3758/files/pitekorezuwafuvagavipe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8758/4675/files/john_boyne_libros.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nasodidupafulad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4342/2359/files/44559457950.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8750/4294/files/86495996836.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5411/1656/files/92475595256.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 6

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_off0000608b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x608B 4724 bytes
SHA-256: ae816d5202fa1af7ee10bf110ca691022d7ffb0f6661b6fbb4c8c537b1d2a583
font_01_sfnt_off000070c2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x70C2 10244 bytes
SHA-256: 9da1dbfde34abc1045fa36a59113c4c330527e8c28af6e2589fabe41418f8c59

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