Malicious PDF — malware analysis report

Static analysis result for SHA-256 6d59b698c9c939ca…

MALICIOUS

PDF

44.6 KB Created: 2020-08-17 15:39:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 23c0ad38f272b6fc7a2ef3262f467896 SHA-1: 548f5f4d92e36838f1195ba1c2a732d88d670e8a SHA-256: 6d59b698c9c939ca76d0b237d70a5c1f2487839e9f3ec946fcea13b9376830b9
194 Risk Score

Malware Insights

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

The PDF contains numerous links, many of which point to a redirector service known for malicious activity. The document body and heuristics indicate a lure for downloading software, specifically mentioning 'Citra 3ds emulator for android'. The primary redirector URL is https://ttraff.cc/pify?keyword=citra+3ds+emulator++for+android, which is a strong indicator of a phishing or malware distribution attempt.

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.cc/pify?keyword=citra+3ds+emulator++for+android In PDF document text
    • http://files.catholicfamilycelebrations.com/uploads/1/3/0/7/130740051/kojelexawifaxisesow.pdfIn PDF document text
    • http://zetobot.adventurershomeschool.org/uploads/1/3/1/4/131437119/7141796.pdfIn PDF document text
    • http://files.waiheelimu.org/uploads/1/3/1/6/131607174/nomuvawezilamaranu.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8960/0414/files/wawatoxiwebinakupixiju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2614/3639/files/lidelu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7658/2552/files/andres_oppenheimer_basta_de_historias.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7243/7910/files/talopowanef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7496/8997/files/39605336658.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7106/9594/files/daydream_believer_piano_sheet_music.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4960/7590/files/fatopogunudawadi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1898/4352/files/pdf_antibioticos_en_odontologia.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8052/3678/files/44064431386.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3686/0839/files/visimafomum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4038/8758/files/xokusowixojok.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0276/4184/files/943485399.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_off00006344.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6344 5120 bytes
SHA-256: 1b3b8ffbb45af40c72d2756ad017c7e5ffd41bb129b5eab71497acea61548fd9
font_01_sfnt_off00007492.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7492 10188 bytes
SHA-256: e67f3cb04596df1c17c04f63793a7aca4e05c25549cd14176aeada9a585a630f
font_02_sfnt_off0000976a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x976A 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

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