Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ddc6c971c830a1b…

MALICIOUS

PDF

45.1 KB Created: 2020-08-07 21:22:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d7cbb39214cee61d2fc1d93600073dfc SHA-1: de3c29ec230499c59251e55d59a969d99d9ec66e SHA-256: 6ddc6c971c830a1b808dda5385c756cfed8ccd73743db8245ec3feedc7b3ecb8
194 Risk Score

Malware Insights

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

The PDF contains a link disguised as a document title related to child psychology, which redirects to a malicious URL (ttraff.cc). This URL is identified as a malicious redirector and part of a link farm designed to phish users. The ML classifier strongly indicated maliciousness, and the structure suggests an attempt to trick users into downloading further malicious content.

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=zaburzenia+psychiczne+dzieci+i+m%25C5%2582odzie%25C5%25BCy+gmitrowicz+pdf In PDF document text
    • http://bodujulo.chaplainsweeklythought.net/uploads/1/3/1/4/131407089/bb3dd2e8e487d.pdfIn PDF document text
    • http://files.thenerdshelves.com/uploads/1/3/1/3/131397971/dolozopiwuxuba_muzafez_kiterexuvu.pdfIn PDF document text
    • http://files.thecraft2draft.com/uploads/1/3/0/9/130969089/73a699.pdfIn PDF document text
    • http://tawubi.polarbands.com/uploads/1/3/1/4/131453194/majig-jopapepavala.pdfIn PDF document text
    • http://kesaxa.inspiring-tomorrows-leaders.com/uploads/1/3/1/4/131438405/levon_wedatizit_dovadivivapida_mizewunokom.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/1/0429/2929/1427/files/25924083076.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/3192/4629/files/bengal_tiger_2015.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7016/8992/files/adorno_e_horkheimer.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0093/9164/files/52994550269.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/7410/8057/files/lazex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8036/5720/files/terex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0151/1077/files/tajalozakemizivowafojoje.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8158/1209/files/buramuloxokuje.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5490/4997/files/xekatar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4030/9402/files/jaxogokakinedib.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4750/9416/files/45418599419.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_off00006c80.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C80 6000 bytes
SHA-256: 2dfcddcd9e0288696270e701148c3d0fc5d21d0ade7fc38b9688740a8806224a
font_01_sfnt_off000080d3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x80D3 11140 bytes
SHA-256: fcf48208cb67741f3d0d7a2b29452019d03bc472df63737991a1525d1d7cde40

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