Malicious PDF — malware analysis report

Static analysis result for SHA-256 403183da79535dc3…

MALICIOUS

PDF

46.4 KB Created: 2020-08-18 13:04:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e799f7409107953971113ca9cebc6459 SHA-1: d6a6466f3074b6ea9d4af3a2eb479a71e8d2839a SHA-256: 403183da79535dc3724d55f645c0610e9999ffc229bb6875d5e7d9444f94a62f
234 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=soundtrack+abyss+drama+korea'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, with 'https://cdn.shopify.com/s/files/1/0429/5468/6630/files/dofus.pdf' being a prominent example. The presence of a 'SE_LOLBIN_RUN_COMMAND' heuristic suggests that the document may contain instructions or visible command text involving Windows execution tools, further indicating a malicious intent to execute commands or redirect the user to harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
    Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
  • 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=soundtrack+abyss+drama+korea In PDF document text
    • http://files.highyellowcurlz.com/uploads/1/3/0/7/130776775/lifalasekefiba.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/1/0429/5468/6630/files/dofus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vizinedidobirefeguj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9275/4076/files/blackthorn_crossword_answer.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/1826/2427/files/55566027180.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3205/1873/files/75731325913.pdfIn macro / runtime command snippet
    • https://cdn.shopify.com/s/files/1/0430/5872/5018/files/mogobojijagi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6332/0469/files/widobinolobuta.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9592/5671/files/luvizamupul.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4062/8120/files/mofatogopubivote.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 2

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_off00005eac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5EAC 6676 bytes
SHA-256: d41551cbb0eca8a8e76b807cbd89dbe8343cabe6e1b55254f6fcf015498e0fea
font_01_sfnt_off000074b4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x74B4 5460 bytes
SHA-256: 0ff61291ed5e2ab67bb730ae86eaee128d526cdc970de384d1ce31a87a43e808
font_02_sfnt_off00008730.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8730 10564 bytes
SHA-256: 70febd8bfa7f6521197330fda951ef6016f5d796a619fa71d26730b32f1519be

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