Malicious PDF — malware analysis report

Static analysis result for SHA-256 a042a2ce5711b698…

MALICIOUS

PDF

41.5 KB Created: 2020-08-19 23:14:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7de9957e768ffcd59b1aa435f38389d1 SHA-1: 7e39071c9f858c26780db0e3266c59a0fdc05aad SHA-256: a042a2ce5711b69869aeffe0c88c7c600ee538a70a66c043cdca858f4f6cc657
194 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic identifying a malicious redirector at 'https://ttraff.com/pify?keyword=kp+org+wa+member+guides'. The document body, though heavily obfuscated, also contains this URL, suggesting a lure to external malicious content. The presence of many links to Shopify domains, some confirmed benign, indicates a link farm strategy to potentially improve search engine ranking or distribute malicious content.

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=kp+org+wa+member+guides In PDF document text
    • http://buxoriluv.camaschurch.net/uploads/1/3/1/4/131437619/sitej.pdfIn PDF document text
    • http://files.cshwhalingmuseum.org/uploads/1/3/0/7/130775192/bilamuvifosixar.pdfIn PDF document text
    • http://larosi.cthorwigs.com/uploads/1/3/1/6/131606624/supufif-pinozugokepa-telod.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/1/0434/0105/2310/files/22698884378.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6859/6123/files/42489993272.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4523/1509/files/5787180546.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6961/2966/files/dell_broadcom_ush.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9200/1433/files/the_longman_reader_10th_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5042/5750/files/96010457324.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6137/1290/files/mejizelomerelunorotuwuxu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8611/0110/files/10068159408.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 3

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_off000063c6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63C6 5448 bytes
SHA-256: 20f67e4e681902d8c31fbdac80dea66a27d8d949202cdfd7faa26b39653db423
font_01_sfnt_off0000763f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x763F 10244 bytes
SHA-256: db6c77cbd795c28a77770acb5775022e6d11139bd62657eb2063e67f3be130d8

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