Malicious PDF — malware analysis report

Static analysis result for SHA-256 313b060f37810219…

MALICIOUS

PDF

85.5 KB Created: 2020-08-02 17:41:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 51d306db09b27d6da77c169719a252ae SHA-1: 4093512276b2bfc4d2b0b75cb93a9ba0e62a8ad6 SHA-256: 313b060f37810219143c99be30537bb37a9aeed0de262baf30269efe329461c3
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of the primary links directs to a known malicious redirector at 'ttraff.com'. This suggests a social engineering attack aimed at directing users to malicious content through a series of redirects and a link farm.

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=first+letter+of+last+name+distribution In PDF document text
    • http://files.mindfullifefocuscommunity.com/uploads/1/3/0/7/130740443/9590386.pdfIn PDF document text
    • http://files.johannayaun.com/uploads/1/3/2/7/132712355/dapituligoj-koxewi-nanumizereje.pdfIn PDF document text
    • http://files.adventuregirlsnj.com/uploads/1/3/0/8/130814900/beramusawajar.pdfIn PDF document text
    • http://files.theblingbarn.org/uploads/1/3/1/4/131437380/bedinoneruximi.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/1/0436/6965/1606/files/ketukabiwozagewikeni.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3124/8542/files/66571426185.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1117/7639/files/jirosapadijuk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0879/4525/files/nimozunuxom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7141/5196/files/wilaxufajuvalilufiba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6961/1935/files/84014659881.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9201/7305/files/jiwalazagelokafexatekewim.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9966/8121/files/26232206791.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6786/6265/files/54100482009.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6509/8918/files/type_effectiveness_calculator.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9143/5422/files/ditulugowapalik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5886/9910/files/ximuzuv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9291/8947/files/54238073861.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008eea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8EEA 38332 bytes
SHA-256: 768af5f415b7200142397783e1f16ea6395cf4b06b8b5c153b9231d0ed1e82ce
font_01_sfnt_off0001038b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1038B 5148 bytes
SHA-256: 97adc8a68dd75124ec2d1d546d17a9da385abe4b0c0a7246e9b7bf89433d1635
font_02_sfnt_off000114f5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x114F5 19676 bytes
SHA-256: 0f1d3389c6cad4e67118b15514d4c342e817f4eba155fc3c1ac52589e93e93a1

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