Malicious PDF — malware analysis report

Static analysis result for SHA-256 7bcf8078405984c2…

MALICIOUS

PDF

120.3 KB Created: 2020-07-31 05:43:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7d6da6508d549348d3ad12282fba210e SHA-1: 1900505a304486c55fac465496440836487854b7 SHA-256: 7bcf8078405984c23e1bafe78c9c71235c260aa5d72fbf0c2ceac4586157b27a
194 Risk Score

Malware Insights

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

The PDF contains multiple heuristics indicating malicious redirector links and a link farm, suggesting an attempt to drive traffic to malicious sites. The ML classifier strongly supports maliciousness. The embedded URLs, particularly the one pointing to 'ttraff.com', are flagged as malicious redirectors, likely used to obscure the final malicious destination.

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=spc+aiag+pdf+espa%25C3%25B1ol In PDF document text
    • http://files.photographersrendezvous.com/uploads/1/3/1/4/131437087/9010343.pdfIn PDF document text
    • http://files.petermichaeldavison.com/uploads/1/3/0/8/130813982/bokavifurenis.pdfIn PDF document text
    • http://files.rememberministries.org/uploads/1/3/0/8/130874085/6a28e667ff6e135.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/1/0428/6890/0006/files/bemuwuruwezazox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1179/2286/files/nabarij.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/1402562920.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0076/5336/files/deduwukisusitufuvi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4029/3543/files/tatusepediwume.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5769/2315/files/45698067485.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0417/4233/files/26235508287.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4995/1138/files/durixuva.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5407/9904/files/gugomimifafagavefaguz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4923/8179/files/95273074345.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 6

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_off00019286.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x19286 5144 bytes
SHA-256: 3999f7d26c2b2c6cd456b664070087c6bccb170767a8a7987733f5e041e430a7
font_01_sfnt_off0001a405.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1A405 15100 bytes
SHA-256: 8749177176597e30e501e36343d59b1fe5aec0d7a2099a6b6f260df34f952ac4

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