Malicious PDF — malware analysis report

Static analysis result for SHA-256 08e709288974b566…

MALICIOUS

PDF

44.7 KB Created: 2020-08-17 12:14:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4a71e013a14538f1cf2352f136ab7ce5 SHA-1: 04712e1a9feb3c6c6dc7915d74d0ce4a15ae4d35 SHA-256: 08e709288974b5666340f9e397e155466303b32c042475e46d8ec34b42aad188
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains embedded links that redirect to a malicious SEO link farm, specifically `https://ttraff.com/pify?keyword=games+car+racing+3d`. This indicates a phishing or scam attempt, likely delivered as a spearphishing attachment. The document body, though heavily obfuscated, contains the same redirector URL, reinforcing the malicious intent. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.

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=games+car+racing+3d In PDF document text
    • http://files.sgamesandphones.com/uploads/1/3/0/8/130874317/88c1898c.pdfIn PDF document text
    • http://files.birichinokids.com.au/uploads/1/3/2/6/132695302/92cd4.pdfIn PDF document text
    • http://files.houghathleticboosterclub.org/uploads/1/3/1/0/131070851/bimuvovuzatemogum.pdfIn PDF document text
    • http://xupadar.saludpharmacyshop.com/uploads/1/3/1/3/131383483/e49974a0dd.pdfIn PDF document text
    • http://files.leanwithluke.co.uk/uploads/1/3/1/4/131437930/tipuzusudizuze.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/1/0441/0294/2872/files/43242765677.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9073/0405/files/timoxoliwi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5471/0427/files/34780415319.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1141/5959/files/walmart_20_gauge_shotgun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2208/1448/files/11636843270.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/6630/0318/files/aircraft_maintenance_manual_a320.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9772/5864/files/vunezaditipefizadawesivif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5376/8090/files/forticlient_vpn_setup_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3867/1010/files/34211595951.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_off000070da.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x70DA 5424 bytes
SHA-256: 8a3c3e3554c62cfb8a765071433ed2ed9f5d28a086e6b88e002a859e05aea8c2
font_01_sfnt_off00008336.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8336 10156 bytes
SHA-256: bd362c9742d00da1600b8534fd0f2e5151d0fbbcf3471e1821ace1ffc6dad7d3

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