Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ccdc962fcffb67b…

MALICIOUS

PDF

41.8 KB Created: 2020-08-14 18:00:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 46241ad6e9eff306183bb496aedf4ed3 SHA-1: c0ba0b613cd7232fa4a5bb04b769b4d47600a315 SHA-256: 6ccdc962fcffb67b116d67042915f0a59192e2ac49777380c9c76fea210546ed
194 Risk Score

Malware Insights

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

The PDF contains multiple heuristics indicating malicious redirector links and SEO link farming, specifically pointing to 'https://ttraff.com/pify?keyword=asura+bgm+song++starmusiq'. The document body, though heavily obfuscated, contains this URL and a list of Shopify-hosted PDF links, suggesting a phishing or malware distribution scheme. The ML classifier strongly supports the malicious verdict.

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=asura+bgm+song++starmusiq In PDF document text
    • http://files.indigenouspoliticalauthority.org/uploads/1/3/1/0/131070325/6629860.pdfIn PDF document text
    • http://files.woorisf.com/uploads/1/3/0/7/130738512/nasumubop.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/1/0434/3506/5510/files/carcel_de_amor.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7852/4832/files/puperomovalagutatetorabol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0906/4607/files/essential_oils_list_and_benefits.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0238/7867/files/madiravisokesapopu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9464/7719/files/pinixizodadunudokugiwevi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4921/2311/files/99871720686.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7417/4622/files/madukaziludima.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/jedufejaselikaruratemop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6275/4461/files/keepers_of_the_kalachakra_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4243/0362/files/46656123924.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
    • https://savannah.gnu.org/projects/freefont/In PDF document text
    • http://www.gnu.org/licenses/In PDF document text
    • http://www.gnu.org/copyleft/gpl.htmlIn 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_off000047bc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x47BC 6744 bytes
SHA-256: 048fb1891f432488516cd811e7b04d68e7d39e548ca3495625137f8fb0c23ff4
font_01_sfnt_off000058a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x58A1 5228 bytes
SHA-256: acc42015a7404ca3f1c070f597ae6ee746f22fd161e1288240b83ab9895f2e46
font_02_sfnt_off00006a49.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A49 14908 bytes
SHA-256: b139e024fc8c65f1be2cd02109e3d933024ca3581c05fd57d1fbb601a4437476

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