Malicious PDF — malware analysis report

Static analysis result for SHA-256 7be3da4ea9fdd82a…

MALICIOUS

PDF

43.9 KB Created: 2020-08-04 00:51:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ef0b62563d4507974095507051bfbf0c SHA-1: 982d6187f605f2dd61f8579f06db143d868557f4 SHA-256: 7be3da4ea9fdd82af7f0740fcf59b3642e323b320f00efdbb211aaf163fc7105
194 Risk Score

Malware Insights

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

This PDF file contains numerous links designed to appear as legitimate downloads but redirect to malicious infrastructure. The primary redirector URL is https://ttraff.ru/pify?keyword=3d+printing+and+additive+manufacturing+technologies+pdf, which is flagged as malicious. The document body, though heavily obfuscated, contains embedded URLs that contribute to the link farm, suggesting an attempt to distribute malware or phish for information through deceptive content.

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=3d+printing+and+additive+manufacturing+technologies+pdf In PDF document text
    • http://files.ollivlogs.com/uploads/1/3/0/7/130775970/lovidizosavo_vosevufanovog_rifavebada_towafedidoke.pdfIn PDF document text
    • http://files.chestnuthillonline.org/uploads/1/3/0/7/130775734/61745659f.pdfIn PDF document text
    • http://files.drivenfundraising.com/uploads/1/3/0/7/130738876/lijewaporetuvenidas.pdfIn PDF document text
    • http://files.samsaraholidayhouse.com/uploads/1/3/1/8/131857756/biwenijuwesuzi-kobonaredapir-gexodetopama.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/1/0433/0687/7080/files/22511335110.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2819/3184/files/xifaxakeke.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1167/7083/files/chris_hemsworth_workout_plan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0962/2687/files/897830086.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3727/6825/files/napoleon_total_war_great_war_mod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1157/9809/files/34137970474.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9060/8285/files/nogapafibonujulegus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0167/5939/files/22135918390.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/8862/4283/files/zamomasemokoje.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2385/9873/files/prey_neuromod_fabrication.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6053/5196/files/20564986816.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4850/8311/files/attitude_magazine_august_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/17418425376.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006b48.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B48 5700 bytes
SHA-256: 556449ea5a83f99c1b667562da0de86c6303dc514d96f4be31b52991594f9a99
font_01_sfnt_off00007e8d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7E8D 10400 bytes
SHA-256: 56bae83e8bedd83b04cc5169d2e1d6ad76a1d3683f6d012fc7ab49982f3d8043