Malicious PDF — malware analysis report

Static analysis result for SHA-256 e95e56cdbac417cd…

MALICIOUS

PDF

42.1 KB Created: 2020-08-01 04:42:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b545220f2fbf62ba4ed3d0215505c6e4 SHA-1: 0f168034179d59f6f82b167700794f94a6337003 SHA-256: e95e56cdbac417cdb29d77d86c94778035f0d4c6c79fd73669f12051ab68ddfd
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com. One of the primary links, https://ttraff.ru/pify?keyword=mp4+into+gif, is identified as a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body contains garbled text but includes the malicious 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.ru/pify?keyword=mp4+into+gif In PDF document text
    • http://files.highwayrobberyvintage.com/uploads/1/3/1/4/131406432/276196.pdfIn PDF document text
    • http://files.flipboatmallorca.com/uploads/1/3/0/7/130776399/ramurimoxikozofufe.pdfIn PDF document text
    • http://files.novellaproposals.com/uploads/1/3/1/1/131163872/3443339.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/1/0431/7180/7394/files/18648604742.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6285/2761/files/61813482840.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sitadekekogog.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1870/6341/files/52927785622.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2642/2687/files/85929210216.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8110/4541/files/vexopipebagodaresexuwa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0896/6307/files/tatola.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pagujusevidunevaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6772/8279/files/46510439001.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4848/5535/files/73399937123.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 3

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_off00006942.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6942 4648 bytes
SHA-256: 101fddb02376eeda75cb351f13ad8c8ee733609122df03dc877e9f482881f278
font_01_sfnt_off0000794a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x794A 10156 bytes
SHA-256: d46fdabdbb1d360baa2e3ead9aa56f30b1452a9b36c926d340cc16a84ef016d5

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