Malicious PDF — malware analysis report

Static analysis result for SHA-256 2486934cc70a5cda…

MALICIOUS

PDF

38.6 KB Created: 2020-08-12 21:58:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 94d7f0cd119c31e07959fc89f4ab3b7a SHA-1: 48119f6f3348d7fde0d9c342562b823cd1914af5 SHA-256: 2486934cc70a5cda5bdf35583bf60c11e014ede3c18a1f92a701ca37f42e53f3
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to Shopify domains, but one critical link directs to a known malicious redirector. This suggests a link farm or SEO poisoning tactic to distribute malicious content. The primary malicious URL is https://ttraff.ru/pify?keyword=compact+oxford+english+dictionary+pdf, which is likely used to redirect users to a further 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.ru/pify?keyword=compact+oxford+english+dictionary+pdf In PDF document text
    • http://files.wembleylodge.com/uploads/1/3/0/9/130969993/6745111.pdfIn PDF document text
    • http://files.continuingeducationwnc.org/uploads/1/3/1/6/131607075/ab5c8b23b62deac.pdfIn PDF document text
    • http://setaride.allisonevansphd.com/uploads/1/3/1/4/131437615/1906852.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/1/0434/9673/4880/files/78291029463.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5824/2470/files/90787517084.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zigomotixiwututorevibalu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2250/0518/files/gajipopemuvi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/2259/3698/files/esperanza_rising_study_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3443/4969/files/pijagivivukoridobujube.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1285/6731/files/xatekuwabijemu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5788/8936/files/12946875308.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1315/2673/files/bawanodixiw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/1323/2024/files/petsmart_job_application_form.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9635/7530/files/39305204165.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 5

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_off00005852.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5852 5644 bytes
SHA-256: a10dd9a665637015ea819fa2c5a520cd06d52fad94e2578410313e6330b0e379
font_01_sfnt_off00006b5e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B5E 10456 bytes
SHA-256: a36ffd8ef18134bfbd7e6d309353126aa4e715b71c4af8a5e232fd1166b92048

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