Malicious PDF — malware analysis report

Static analysis result for SHA-256 95882e98a4b32f25…

MALICIOUS

PDF

36.4 KB Created: 2020-08-06 19:21:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3cb30024c199bc2328ec669a383d166b SHA-1: 8d8b3db0cc1794f0aabb12960fe14ad89e1b75b6 SHA-256: 95882e98a4b32f25f793ab5021ba6bce61708fd68b2e08922f9d8177599b8757
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment T1204.002 Malicious Link T1059.001 Command and Scripting Interpreter: PowerShell

The PDF contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of these links, 'https://ttraff.ru/pify?keyword=converter+pdf+to+word+nitro+online', is identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to PDF conversion and the malicious URL, suggesting a social engineering lure to trick users into clicking the link. The presence of a malicious redirector indicates an attempt to lead the user to a malicious site.

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=converter+pdf+to+word+nitro+online In PDF document text
    • http://lebufan.earlgreen.net/uploads/1/3/1/6/131637136/3042357.pdfIn PDF document text
    • http://files.afinoentertainment.com/uploads/1/3/0/7/130739916/jelavelukila.pdfIn PDF document text
    • http://musije.seattleanesthesia.net/uploads/1/3/2/3/132302921/57e3cd52fe8.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/1/0430/9005/1221/files/videkero.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2633/3351/files/romabarewirexifenal.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1603/6249/files/my_wifes_hot_friend.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kopamidije.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7754/2823/files/bumogeledudokufosis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6248/4383/files/xexubovirajefidajuber.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4492/0734/files/sabareguvitodovimewudej.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4560/0936/files/lepometag.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2017/9864/files/89771445435.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9946/4611/files/fetunobukato.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6956/3290/files/59653083480.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0219/9196/files/inferno_dante_alighieri_italian.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kaxoku.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 4

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_off00005210.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5210 4704 bytes
SHA-256: ed0ac95d1666ba7058c297c8f22d587df107ce9dbbf54cf164235f6b60baa21d
font_01_sfnt_off00006236.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6236 10160 bytes
SHA-256: 2703e7bdf7af888dddb7ca2ea9b9338148f09cf4ba5f3d651ff3d6ea8db3e7ec

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