Malicious PDF — malware analysis report

Static analysis result for SHA-256 ac6e1085eab5994b…

MALICIOUS

PDF

41.7 KB Created: 2020-08-18 20:31:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: bed9ac796ad6220d9cb65e35d20d4ac5 SHA-1: f8e67008cd1a16ffe7bdb8b784515c66f034ac66 SHA-256: ac6e1085eab5994b12c2ab3fb65d1cffec85056fff5d563ea87e581165bab834
194 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link disguised as a lure for free game content. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically identifies the URL https://ttraff.com/pify?keyword=boom+beach+free++apk as malicious. Additionally, the PDF_SEO_LINK_FARM heuristic indicates a large number of embedded links, many pointing to Shopify domains, suggesting a link farm used for SEO poisoning or to obscure the final malicious destination. The ML_NYX_PDF_MALICIOUS classifier strongly supports the malicious nature of this document.

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.com/pify?keyword=boom+beach+free++apk In PDF document text
    • http://fadajidi.npmafc.com/uploads/1/3/0/7/130739579/zugowawamaba.pdfIn PDF document text
    • http://files.uuchurchofthelakes.org/uploads/1/3/0/7/130740517/6449860.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/1/0439/4447/6840/files/worogadanisubugutitedi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3128/9256/files/86935400927.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8950/7990/files/xotil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7781/9802/files/wijisixelepe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6097/6021/files/nesonuw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8056/2326/files/oxford_gym_reimbursement.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0855/6182/files/54058375928.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5363/8044/files/13010783264.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9927/4916/files/amicon_ultra-_15_centrifugal_filter_units_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3335/4659/files/92146016566.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9512/1319/files/nulitufixopekege.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 3

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_off00006499.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6499 5296 bytes
SHA-256: a908954a29513a7a0f6fb9e34301862252fb089e02553859962f47853f325eb1
font_01_sfnt_off00007680.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7680 10528 bytes
SHA-256: 61c4e9705f646f14d842f841d0db0f265cc25ab0baa7923f14f9bbfad0c4c83a

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