Malicious PDF — malware analysis report

Static analysis result for SHA-256 5ccc88de45e0b9f3…

MALICIOUS

PDF

39.5 KB Created: 2020-08-25 01:09:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6f54589a53128f4ac371700066da2de9 SHA-1: 7311cd7a297e98c1d3d3e739d97c82c5bd696cb6 SHA-256: 5ccc88de45e0b9f32089532c9f521898f55c288b966cd686b15967aabb6887ac
194 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with a critical heuristic firing indicating it links to known malicious redirector infrastructure. The primary redirector URL is https://ttraff.cc/pify?keyword=atmosphere+sounds+free, which is likely used to obscure the final destination and potentially engage in phishing or malware distribution. The document body, though obfuscated, also contains this URL and other PDF links, suggesting a link farm or redirection tactic.

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=atmosphere+sounds+free In PDF document text
    • http://files.theartfulclarke.com/uploads/1/3/1/4/131407315/nopafun.pdfIn PDF document text
    • http://files.braverthanthewaves.com/uploads/1/3/1/3/131398010/d3e6d9c.pdfIn PDF document text
    • http://files.art-by-raquel.com/uploads/1/3/1/8/131871701/7bbeeb.pdfIn PDF document text
    • http://files.gmc-church.org/uploads/1/3/2/6/132681560/milofeselifunive.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/1/0431/3592/6434/files/16042486024.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2795/4840/files/88691683690.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/9506/8567/files/portland_cement_production.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8000/0423/files/bivujofapavarugosenojisur.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0210/9856/files/rabunomife.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2387/5746/files/8086_addressing_modes_with_example.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3292/0732/files/64383155324.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7863/8999/files/53109657972.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7923/6760/files/wuzarojatuxedeju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0517/4183/files/71567983009.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
🗂 Part of campaign: theartfulclarke.com 4 samples

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_off00004fb7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4FB7 4860 bytes
SHA-256: 0cf2263d60919087fbba3bf66361071283dc8b3c24d4f1914943ea56a12a2a2f
font_01_sfnt_off00006010.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6010 10276 bytes
SHA-256: df58c3387d9efd435408b6851ce0486569432cd72885d938a55cf0249270b3f7
font_02_sfnt_off00008323.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8323 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3

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