Malicious PDF — malware analysis report

Static analysis result for SHA-256 fc8588404585d7b8…

MALICIOUS

PDF

43.7 KB Created: 2020-08-15 05:41:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0f04f38ee4180190aae1bc2ddcd4f95d SHA-1: 9bdb08c3a6919f9b6505251a5853e48b076bd44d SHA-256: fc8588404585d7b8d6b4a774ef3cf49d8c27cf232721508f36bf263082f2d02f
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a deceptive lure, presenting itself as a 'discounted cash flow spreadsheet example' to trick users into clicking a malicious link. The primary link, 'https://ttraff.cc/pify?keyword=discounted+cash+flow+spreadsheet+example', is identified as a known malicious redirector. The document also hosts a large number of external PDF links, many pointing to Shopify domains, suggesting a link farm or SEO manipulation tactic to distribute the malicious content. No scripts were extracted, but the presence of a malicious redirector and the link farm strategy indicate a phishing or social engineering attack.

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=discounted+cash+flow+spreadsheet+example In PDF document text
    • http://files.sunniefrancomphotography.com/uploads/1/3/1/4/131437158/6986720.pdfIn PDF document text
    • http://files.bluebutterflycoffee.com/uploads/1/3/0/9/130968947/dd3fa0.pdfIn PDF document text
    • http://files.dariellellis.com/uploads/1/3/2/3/132303339/42528.pdfIn PDF document text
    • http://files.retreatjourneys.com/uploads/1/3/2/6/132695472/57feba3185d5a09.pdfIn PDF document text
    • http://files.a-prickly-pair.com/uploads/1/3/0/7/130775516/pideb_vokuj_zefeba_xujabifesori.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/1/0439/5322/5883/files/22283791519.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4259/5239/files/55848500188.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1826/4469/files/ruzalakavufixesesof.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4324/8533/files/ziwibokufuz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5296/6812/files/boxigapibex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4527/3251/files/skull_candy_mp3.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5245/8396/files/food_biochemistry_lecture_notes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5768/4375/files/tiburibej.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2022/1607/files/73274461509.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_off00006b13.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B13 5556 bytes
SHA-256: 28967cb74f408cf8831932565e4ae69b8d6b82d93e09638db14d211c5bbab9c7
font_01_sfnt_off00007de0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7DE0 10652 bytes
SHA-256: 961e3fdc939272f4b0535d581769311b8a83fa0f360b4812ab06e8fb3bcaa065

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