Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d1c5d2887219059…

MALICIOUS

PDF

37.6 KB Created: 2020-08-10 12:03:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d8b463ba5a530585765e4dfd930dbd5a SHA-1: 9609647e7051efd8e9cb22a4ce463f01ba6f0d4e SHA-256: 9d1c5d28872190595bbcd9f91e02934e6f4c09f4c9030ccaad6b5e2f828a9a31
194 Risk Score

Malware Insights

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

The PDF contains numerous links, many of which point to a link farm hosted on cdn.shopify.com, and one critical link redirects to a known malicious domain (ttraff.com). This indicates a social engineering attempt to lure users to malicious infrastructure. The ML classifier strongly supports the malicious verdict.

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=villani+topics+in+optimal+transportation+pdf In PDF document text
    • http://pukilil.adrianeejones.com/uploads/1/3/1/6/131636725/862668.pdfIn PDF document text
    • http://files.yestelesummit.com/uploads/1/3/0/7/130775131/regumorikowug.pdfIn PDF document text
    • http://dugopogek.meleneyequipment.com/uploads/1/3/1/4/131453109/dujesetidazerix.pdfIn PDF document text
    • http://files.littlerocklabradors.ca/uploads/1/3/2/3/132303181/malopipusutuvavev.pdfIn PDF document text
    • http://files.theclasswebsite.org/uploads/1/3/1/4/131453370/bodotivedomexe.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/1/0430/8421/8532/files/xadowezawixopup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9291/7924/files/use_case_diagram_for_online_railway_reservation_system.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4241/4492/files/39900486912.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5543/8234/files/78171725617.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2031/9893/files/addition_and_subtraction_of_radicals.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/0902/7735/files/south_african_banking_industry_analysis_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4877/1488/files/jofujibijeripaxaraze.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5317/9289/files/66140669693.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6038/0327/files/munewuvogelow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0838/5439/files/retewa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8695/4139/files/relizasivujugitaja.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_off00005542.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5542 5264 bytes
SHA-256: 1df67e6407f6e08a0c3cab309cde1be9bb1e611edb22de8009230dbd2c8aa296
font_01_sfnt_off00006711.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6711 9956 bytes
SHA-256: 1bb06434fd1f4c824885a544d89eef34d9fea365565d166e77fdc5695b22658f

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