Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2c3ea5bc8b46ec5…

MALICIOUS

PDF

45.8 KB Created: 2020-08-21 10:25:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 1f72b24353fb6ec568a1f27bf1fab0a5 SHA-1: 85e50a85870e6d46572770f0ed4e832f446d9272 SHA-256: d2c3ea5bc8b46ec58012a25e4e2a743304abe1594d0d4a3bbf2c2140f90ce290
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. This link, 'https://ttraff.cc/pify?keyword=business+application+software+pdf', is designed to redirect users to malicious infrastructure. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs pointing to external resources, many hosted on Shopify. The ML classifier strongly flagged this PDF as malicious. No scripts were extracted, but the presence of the malicious redirector indicates a phishing or social engineering attempt.

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.cc/pify?keyword=business+application+software+pdf In PDF document text
    • http://vebodo.tarrantfatherhood.com/uploads/1/3/1/8/131856072/29a8aed1605b.pdfIn PDF document text
    • http://files.chriscooperart.co/uploads/1/3/0/8/130813588/sobiz.pdfIn PDF document text
    • http://files.lhride.com/uploads/1/3/1/0/131071157/segibavomukolu.pdfIn PDF document text
    • http://files.lisawisdomartist.com/uploads/1/3/2/6/132682076/9b52cda1377.pdfIn PDF document text
    • http://www.fotolia.com''gt;Fotolia.com/a'gtIn 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/1/0440/6607/8870/files/muwizedirukovut.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7564/1247/files/vmware_workstation_15_license_key.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4640/2198/files/21791539767.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2861/9168/files/rukigesewe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8605/3527/files/sozokipizigulisonejogi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1062/9532/files/garitelibokufujixaka.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9065/6921/files/rarefomesoninorudip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7437/9164/files/tofamaliwipimiletixefidul.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0528/8352/files/93337828297.pdfIn PDF document text
    • http://www.fotolia.comIn 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_off00007503.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7503 5288 bytes
SHA-256: 854f1f0e2040cdd27083bf4eed2c5d0be7c3f83281342209935f12f51d0563c8
font_01_sfnt_off0000871d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x871D 10300 bytes
SHA-256: 5359ba6a599f256cc592c58ed8a806a81f3f4e757c057a3cd808ca22b5b8710d

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