Malicious PDF — malware analysis report

Static analysis result for SHA-256 9aba443b2a2f9673…

MALICIOUS

PDF

46.8 KB Created: 2020-07-28 07:39:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 964d4052d3593104a1513d496181072f SHA-1: 5fa8691d3f5da9a308b8e2f674d6ad94c4760de0 SHA-256: 9aba443b2a2f9673b7853a5b3f8fcadc36695ad914da6782c2059c318d30bf0b
194 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, a technique often used for SEO manipulation or to distribute malicious content. One of the embedded URLs, 'https://ttraff.com/pify?keyword=local+guide+japan', is flagged as a known malicious redirector. While many other links point to benign Shopify domains, the presence of the malicious redirector and the sheer volume of links suggest a malicious intent, possibly to lure users to malicious sites or to artificially inflate search engine rankings for malicious purposes.

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=local+guide+japan In PDF document text
    • http://files.sischoolsf.com/uploads/1/3/1/4/131437446/4728780.pdfIn PDF document text
    • http://files.rosshirtsbytheshore.com/uploads/1/3/1/4/131438282/fcf47bd60bc975e.pdfIn PDF document text
    • http://files.skyenestler.com/uploads/1/3/1/3/131383821/bezikegasabom-lowanaxet.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/1/0435/5332/5219/files/tilalin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6927/6313/files/79458360112.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3057/6285/files/lesujapevumubatevuxiwafa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5788/2022/files/36815586110.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7831/2355/files/jozofigajisu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3797/4950/files/79918500874.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/44329390643.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6737/5770/files/tukutanatubupuv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4729/6922/files/bugokebavebexa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vonabubabosutogoxofe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5900/4070/files/7177306151.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7956/5465/files/zuviwukogovut.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 4

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_off000079d0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x79D0 4784 bytes
SHA-256: f9e1e64b70d06337a8734ae28af8a720f677d2364258974476dc70e866c899f6
font_01_sfnt_off00008a12.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A12 10580 bytes
SHA-256: 9bc5e269cbc26d62bace917dbc900b871c091e4cba2ed93ce3e069c9a6851763

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