Malicious PDF — malware analysis report

Static analysis result for SHA-256 0c9f2d6eeadabfbb…

MALICIOUS

PDF

40.7 KB Created: 2020-08-18 15:49:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 003ff35659506e89dc109e3eb3839e6f SHA-1: 253486c50e7cfb728023b00a37529a535afe07a2 SHA-256: 0c9f2d6eeadabfbbe7f3bb5d5f15f4f34b5599f70bd59354a6f146910a0a8edb
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a link farm designed to appear as legitimate resources, but the primary link redirects to a malicious redirector. This redirector is likely used to funnel victims to a site that hosts further malicious content or phishing pages. The ML classifier strongly indicated maliciousness, and the presence of numerous external links suggests an attempt to manipulate search engine results 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.cc/pify?keyword=steward+full+form+in+hotel+industry In PDF document text
    • http://files.ccmooresville.com/uploads/1/3/1/3/131381819/tanupip.pdfIn PDF document text
    • http://files.annemudge.com/uploads/1/3/2/6/132681851/d2888af390.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/1/0435/1623/1840/files/english_articles_exercises_with_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/2062/9654/files/cdf_bursary_form.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9972/4702/files/nodurukir.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5850/2563/files/54795908745.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4844/9686/files/33056292038.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5363/8044/files/nizapolejimotu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6377/1293/files/nalajotikiwawuzevumuloda.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4190/7100/files/kugobinigedurev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0452/3173/4944/files/manual_de_instalao_forno_eletrico_brastemp_gourmand.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/7802/9213/files/flavonoids_anticancer.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_off000061b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61B6 5444 bytes
SHA-256: 8df2b6babcfc113fc289489cbedd49c94d852dfc9fac58db3f5479532f9285cc
font_01_sfnt_off0000741c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x741C 9952 bytes
SHA-256: 2900edee4a079cafcbf70c7c2fabad8250233182b486e974be4373a6e6f31b53

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