Malicious PDF — malware analysis report

Static analysis result for SHA-256 e5df6c67ec2df4ed…

MALICIOUS

PDF

48.4 KB Created: 2020-08-12 13:19:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3ebb05c5541576104b85b62711f101e4 SHA-1: ecd69c0f56a105f552911bfaac87f7c01d9bad7a SHA-256: e5df6c67ec2df4ed9df19bb973bd16cbe72f30ee66a18c4c2f212a37fdc75d1f
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at 'ttraff.ru'. This suggests a phishing or social engineering attempt to lure users to malicious content. The document body, though heavily obfuscated, contains the same malicious URL, reinforcing the attack vector. No scripts were extracted from this sample.

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=advanced+excel+charts+pdf In PDF document text
    • http://puforok.thechildrenscouncil.org/uploads/1/3/0/7/130775451/mokakim.pdfIn PDF document text
    • http://files.conflictfluent.com/uploads/1/3/1/4/131407406/4241434.pdfIn PDF document text
    • http://files.rigodistrict.com/uploads/1/3/1/0/131069934/7fb952cebeb96.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/1/0431/2514/5760/files/57580320162.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1668/1629/files/total_gym_workouts.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4664/1570/files/bebuzukevugetewanulukap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/9493/1624/files/2789372722.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5123/8047/files/bstc_2020_paper.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9241/0525/files/wegisatilujired.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/9036/5864/files/gisemufudinu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6089/5650/files/wulop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8331/6891/files/4874394650.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2561/3475/files/27594827862.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6829/3287/files/whirlpool_washing_machine_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9241/8468/files/zakojorifir.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/44994208471.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1729/8329/files/washington_dc_metro_map.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wetidolurat.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 7

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_off00007e95.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7E95 5360 bytes
SHA-256: deb39ac4afd5732a884e8852cbe3e7b3212ed039b92b75400a60207a25d76878
font_01_sfnt_off000090cb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x90CB 10468 bytes
SHA-256: 1d5c9aa1d57e0fbebe79c3f1a767f292e48ed27817957ec5a4a2fc4f7edc2c0c

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