Malicious PDF — malware analysis report

Static analysis result for SHA-256 dad118ff17c9059a…

MALICIOUS

PDF

62.1 KB Created: 2020-07-28 06:43:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 71032a8fbe3b3ad270a9cddc55cf7f8c SHA-1: 123f9f714764df92334c2c1906c10ce5b651b0cb SHA-256: dad118ff17c9059a3dd02888db3edc419de4bc7ef6d3b020993c20de5fc760b8
194 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, with one specifically identified as a malicious redirector. This suggests the document's primary purpose is to lure users to malicious websites. The presence of a link farm further supports this, indicating an attempt to manipulate search engine results or distribute content through numerous external links. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the exact payload.

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=game+sword+art+online+di+android In PDF document text
    • http://files.uublaine.org/uploads/1/3/1/3/131381802/18c9d0e8c5fbc6.pdfIn PDF document text
    • http://files.ellwoodcitymetz.com/uploads/1/3/1/4/131452817/nuzowor.pdfIn PDF document text
    • http://files.paintingsbychrislwilliams.com/uploads/1/3/0/9/130969300/megat.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/1/0435/8832/1443/files/rasekovamiwela.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2576/7327/files/lobiribazulamudeguz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7244/6873/files/20205819588.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/0081/2952/files/91132009656.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/7616/3486/files/vigizemaxifurofep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1342/9655/files/dosidujokoxulamukaluno.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9432/6939/files/jagabatetuforo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/niborenegukudokeregus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7732/0348/files/tufotalifajefubukipomebep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4565/0586/files/41646156084.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5727/4270/files/xujaxurema.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008021.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8021 14172 bytes
SHA-256: 488a1d72c254d7998a813789c965c5ea6ef656cea37faa98959d483f044dc32e
font_01_sfnt_off0000ad7c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAD7C 4880 bytes
SHA-256: e758c5a4cb0c2d6fbe8ec307beeda882a0f7f6aec4cf1dfe8af6e9785b6fbfd0
font_02_sfnt_off0000be0a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBE0A 14328 bytes
SHA-256: 96c91dc4443f01b581c6ff3ddd110996f744522e68e029516b41ffde82f13248

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