Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ee5b6d20e34dc32…

MALICIOUS

PDF

64.4 KB Created: 2020-08-11 23:58:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f3b4062c8b7bfbfb5e58ce02d653f43c SHA-1: ad290b83bb31cea6391d924774c8ca3e86eba14d SHA-256: 7ee5b6d20e34dc32c4b7d7f1c59cd6b4fa64f2ad20e7f713dccdb765934c16d0
194 Risk Score

Malware Insights

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

The PDF contains a link farm and a redirector URL, indicating a phishing or scam attempt. The embedded URL 'https://ttraff.ru/pify?keyword=ielts+speaking+topics+pdf+2020' is flagged as malicious and part of a link farm, suggesting it's used to distribute further malicious content or lead to a phishing page. The ML classifier also strongly indicated maliciousness.

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=ielts+speaking+topics+pdf+2020 In PDF document text
    • http://files.esulix.com/uploads/1/3/1/3/131378918/bamasejo-jedosawe-rorusogof-sofaxejipajuni.pdfIn PDF document text
    • http://files.bensonmarshall.com/uploads/1/3/1/4/131453132/5737337.pdfIn PDF document text
    • http://files.wvangler.com/uploads/1/3/0/9/130969699/topaluzigesowovedav.pdfIn PDF document text
    • http://files.drsherasackey.com/uploads/1/3/0/9/130969761/wikejojulow_xazadukalife_diwiziru.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/1/0431/6640/0663/files/20628949555.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3110/9538/files/pezivowofenedevifa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8344/0036/files/munoxujujad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3019/8937/files/68410921400.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0833/4744/files/bevoroleloxuki.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4008/0021/files/21853366820.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8239/1451/files/fevivubopuwep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2286/6842/files/hip_abductor_exercises.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1306/1277/files/munetaduvaronakuzamefexo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9639/2348/files/74246851045.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/7318/1598/files/xalixafaxagex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8564/3419/files/42900775490.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_off0000bf94.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBF94 5500 bytes
SHA-256: 040682059f7edd61e70a24d1f6035afe2c315c09aa38b78a92f9e01bc4e96596
font_01_sfnt_off0000d25d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD25D 9936 bytes
SHA-256: b80cad5fb8e84f85d724705a29df30cb06f078782e62d82a2c3cb78b44dd11a1

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