Malicious PDF — malware analysis report

Static analysis result for SHA-256 d08fcd5cddf9871b…

MALICIOUS

PDF

40.3 KB Created: 2020-08-18 21:14:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: db6d447a4e8339cbf2e2bcf7fb6f6002 SHA-1: 880165dd7051a0c83b0a9605832c48a4c1c32ee1 SHA-256: d08fcd5cddf9871bebf9c23792de7a0db17f6e3d5dd9a1fb53afd6de7509bcee
194 Risk Score

Malware Insights

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

The PDF contains a significant number of external links, many pointing to Shopify-hosted PDFs, forming a link farm. One of these links, to ttraff.com, is identified as a malicious redirector. This suggests the document's primary purpose is to lure users into clicking malicious links, likely as a precursor to further compromise.

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=email+writing+format+samples In PDF document text
    • http://files.drmariaholden.com/uploads/1/3/1/4/131454850/7946789.pdfIn PDF document text
    • http://files.mission-justice.org/uploads/1/3/0/9/130969389/sazovarazoguvo-pogesa-tuxalabeludijop-wapam.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/1/0428/8679/1334/files/wow_cooking_guide_vanilla.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7353/5142/files/17646575507.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7410/1149/files/rotitelanamegoro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1985/2187/files/capteur_inductif_fonctionnement.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gujogu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4118/5189/files/87683166107.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pegumi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4303/6053/files/10152741467.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/9764/0360/files/case_study_examples.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9014/0581/files/mnemonics_techniques_to_improve_memory.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9504/0924/files/estimation_and_costing_book_free_download.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 2

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_off00005fc9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FC9 5268 bytes
SHA-256: 9502103ac9b989d4e90f4c4adf19d996185b4d7654a5fa6e02c269525dc33e12
font_01_sfnt_off000071b7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x71B7 10180 bytes
SHA-256: d60e0cc4038ce6b77eedd62f5fe3ec50316e61ea8da8e30047aa995b8673e40b

Open this report in the interactive analyzer, or submit your own file for analysis.