Malicious PDF — malware analysis report

Static analysis result for SHA-256 f603d45295607bea…

MALICIOUS

PDF

41.8 KB Created: 2020-08-18 19:24:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ab9b6cbe40038f3754745f8c41498456 SHA-1: 2cd9e1cdb5f1ee3b53b12bcbeeeb70bd4716a199 SHA-256: f603d45295607beadbf34338bb05fe7e23499a7e7377b23b87160eea49bcd0a4
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the malicious URL and references to a 'size guide', suggesting a lure to trick users into visiting the malicious site. The ML classifier strongly indicates maliciousness, and the PDF structure is consistent with link-farming and redirection techniques.

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.ru/pify?keyword=cp+company+hat+size+guide In PDF document text
    • http://files.conniedillon.com/uploads/1/3/2/6/132681164/7935875.pdfIn PDF document text
    • http://files.cristinanoelfrias.com/uploads/1/3/1/3/131398406/e073a9f12e.pdfIn PDF document text
    • http://files.wickenburgbootsbreastcancer.org/uploads/1/3/1/4/131406075/xibuzafa-noviresosof-luvibabiw-tefifigigi.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6965/3663/files/nuguguposorak.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/5221/9030/files/arquitectura_sustentable.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5737/3589/files/77525283176.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7259/2801/files/gowudorisetuvujufa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9636/7511/files/87848771575.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0722/9597/files/12222195752.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2630/7480/files/xijodanitovosalosazedum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7240/5157/files/17829580684.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3917/9420/files/tuluribatis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0813/1233/files/14525783740.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4489/6925/files/nadaradupuw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3264/9636/files/calendario_365._es_2020.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005800.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5800 5416 bytes
SHA-256: 19d87eecb74b5a34688253da9e80a5f96cc31907e539f68295aaece199fffb73
font_01_sfnt_off00006a45.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A45 9980 bytes
SHA-256: 12c1e347b44be2f6e03db6780a32e359fb119e0f8b5522f8025fc26a372b3ab5
font_02_sfnt_off00008c65.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C65 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

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