Malicious PDF — malware analysis report

Static analysis result for SHA-256 5cdc59f5a270ee14…

MALICIOUS

PDF

45.5 KB Created: 2020-08-13 00:56:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8ecbfc5fc78a1016a699d7c3e63ef4c7 SHA-1: e508baaa597e2e3349d4ee2b124901f8480e277a SHA-256: 5cdc59f5a270ee1479e22c35ce9a7d5b79d0f62d9d65834b3cc3bd0cb959c1ee
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, many of which point to redirectors designed to obscure the final destination. The primary redirector URL, https://ttraff.com/pify?keyword=time+value+of+money+problem+and+solution+pdf, is flagged as malicious and associated with SEO link farms, suggesting a phishing or malware distribution scheme. The ML classifier also strongly indicated maliciousness.

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=time+value+of+money+problem+and+solution+pdf In PDF document text
    • http://gexopoz.heavenlyangelsart.org/uploads/1/3/0/8/130874359/630f85a1b2ada.pdfIn PDF document text
    • http://files.hollysullivanmcclure.com/uploads/1/3/2/7/132712333/903185.pdfIn PDF document text
    • http://files.dinah-parums.com/uploads/1/3/0/7/130740316/154a416f895.pdfIn PDF document text
    • http://rixobi.nubeginningfarm.com/uploads/1/3/1/1/131164250/ruzuxidepawexu_pafefi_zulupevazanato_vesesij.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/1/0432/2358/0839/files/12556853611.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1928/6174/files/ic_cd40106.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5663/5812/files/49625997382.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4516/5976/files/tajakuzu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4146/3189/files/tisezivi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/9503/7854/files/bank_exam_question_paper_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5117/9416/files/11119483335.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5747/8809/files/lerigixeletajinizosus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6885/8276/files/80321920456.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7287/9773/files/30964047644.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2289/2711/files/xopewonugiga.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_off0000736b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x736B 5436 bytes
SHA-256: 2e914c9c27d2282b241985c902482aba4795bd37dbe637d7f0e2025676bd3f64
font_01_sfnt_off000085d3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x85D3 10404 bytes
SHA-256: 3890579db70aa45b0ebd47e2dadd50dfc16d474614670c732a4a6fc9ac6324e4

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