Malicious PDF — malware analysis report

Static analysis result for SHA-256 46782b77826915ee…

MALICIOUS

PDF

40.3 KB Created: 2020-08-22 05:29:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9ff171b6ce9ce206a54498dc8779c952 SHA-1: 6d38a887ead32c2b8cd5f70792d3ec69b2fb0318 SHA-256: 46782b77826915ee4145056f1ea011a13098a16b7b82bda288c9679c3d1ef6c1
194 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=nokia+android+mobiles+below+4000'. This URL is presented within the document body, suggesting a social engineering lure to entice users to click. The PDF also exhibits characteristics of a link farm, with numerous external links, many pointing to Shopify domains, likely for SEO manipulation or to host further malicious content. The ML classifier strongly supports the malicious nature of this PDF.

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.ru/pify?keyword=nokia+android+mobiles+below+4000 In PDF document text
    • http://files.mikeaguilera.com/uploads/1/3/2/6/132680922/32d6c.pdfIn PDF document text
    • http://kazige.kevinmcalister.org/uploads/1/3/1/1/131164239/fewogidivuxoker.pdfIn PDF document text
    • http://files.thenauticalartsworkshop.com/uploads/1/3/1/6/131606035/bikebawifutir.pdfIn PDF document text
    • http://files.hotseatcustombaits.com/uploads/1/3/1/0/131070124/7a0a8.pdfIn PDF document text
    • http://files.nicolesbadassblog.com/uploads/1/3/1/6/131606092/9367138ecb1.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/1/0435/5493/0839/files/udyog_aadhaar_download_in.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7533/8389/files/revuguferulebu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6601/5400/files/12896928917.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0460/2249/2319/files/3832368058.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5769/0262/files/tareribubesasubozo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1319/3373/files/map_of_burundi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8734/5304/files/87549000030.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5959/3894/files/66329254860.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9259/9193/files/siruwet.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 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_off00005ea9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5EA9 5464 bytes
SHA-256: c710de6a5c7b0702d73a499b3f430035386e8a788a5342b1a0885ce24aa3fda3
font_01_sfnt_off0000713f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x713F 10300 bytes
SHA-256: 56dd8e8ed157e4c5040f2f36fddef744c7777fc077a8ca42efa734d42664eadd

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