Malicious PDF — malware analysis report

Static analysis result for SHA-256 776c6e087674338e…

MALICIOUS

PDF

38.0 KB Created: 2020-08-10 00:22:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 32add4f45b480a73980e3fa50cb915b2 SHA-1: 2e970a7d1963138aa038416218d4311b531f528e SHA-256: 776c6e087674338ee39d9d151355982fb20730ef0c326e0b363f26b573693393
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 a redirector service known for malicious activity. The primary malicious URL identified is https://ttraff.ru/pify?keyword=ogata+automatic+control+pdf, which is part of a link farm designed to lure users into downloading what appears to be a legitimate PDF but redirects to malicious infrastructure. The ML classifier strongly supports the malicious nature of this PDF.

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=ogata+automatic+control+pdf In PDF document text
    • http://files.caspirparanormal.org/uploads/1/3/0/7/130738636/lobiregajelepi.pdfIn PDF document text
    • http://files.dojoofkickz.org/uploads/1/3/0/7/130739238/8753707.pdfIn PDF document text
    • http://files.lezdapez.com/uploads/1/3/0/9/130969724/8275703.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/1/0434/1042/3960/files/58070506094.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9938/1157/files/bovolipebexoju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0670/5311/files/judiselukitis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/0813/7128/files/kate_turabian_a_manual_for_writers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4016/2467/files/zigufefogaraxenitofusigo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6289/4495/files/39969699748.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6208/4262/files/bumane.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6504/8214/files/bach_minuet_in_g_major_piano_sheet_music.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7699/3695/files/gezopixaxofuxaba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/4024/9755/files/36512984780.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000058b4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x58B4 5324 bytes
SHA-256: d8b8c842c519d29ace80f02006abc5bcf4177fde0d1c7c315f6e6be6d40b408a
font_01_sfnt_off00006abb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6ABB 9616 bytes
SHA-256: 4f4a5b549fd95b7efc3300d6d7bc4ebac0fd0bda4763fccd996aea4c84950a51

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