Malicious PDF — malware analysis report

Static analysis result for SHA-256 63ee5db9952a6429…

MALICIOUS

PDF

47.2 KB Created: 2020-08-12 00:29:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: acb1d3c65a1a438c5979fd2ca4775a35 SHA-1: f6ace7308b0e274c05ef6e8dfaf22a53c9edfe3a SHA-256: 63ee5db9952a64295853e4a1fd77654afe06d60644e5b0b0e38a73e07c199ee2
194 Risk Score

Malware Insights

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

This PDF file contains a link farm designed to redirect users to malicious infrastructure, masquerading as a technical support resource. The primary redirector URL is https://ttraff.ru/pify?keyword=technical+support+engineer+interview+questions+and+answers+for+freshers+pdf. While no scripts were explicitly extracted, the PDF structure and embedded links strongly suggest an attempt to lure users to a malicious site, likely for phishing or malware distribution.

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=technical+support+engineer+interview+questions+and+answers+for+freshers+pdf In PDF document text
    • http://files.slowfoodcaterers.com/uploads/1/3/1/4/131438013/1768033.pdfIn PDF document text
    • http://files.rampcheckglobal.com/uploads/1/3/0/8/130874233/5165768.pdfIn PDF document text
    • http://files.lifewisegifts.com/uploads/1/3/0/8/130874128/6ab8d3.pdfIn PDF document text
    • http://sadiroz.yorkrepublicanwomen.org/uploads/1/3/1/4/131453046/2234279.pdfIn PDF document text
    • http://files.pacsyr.com/uploads/1/3/1/4/131407112/5141467.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/1/0437/6851/2669/files/systematic_theology_an_introduction_to_biblical_doctrine.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5118/6336/files/7994882653.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7301/0850/files/aerodynamics_anderson.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7421/4306/files/todupozanaputijubiba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7327/4018/files/medical_fitness_certificate_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1800/2340/files/41727362126.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3011/7526/files/pakusuweg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8158/1209/files/wajimegin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8794/4096/files/67115960135.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 8

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_off00007932.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7932 5644 bytes
SHA-256: b2d74e114cac132c7470969ef245b67e1ec2ea2ffb4bc9b77f203d62b295b06c
font_01_sfnt_off00008c5d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C5D 10188 bytes
SHA-256: ea6778117058832590189bae5bac948bcaf2dd4ddf6153c5c18588d8e3bf556d

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