Malicious PDF — malware analysis report

Static analysis result for SHA-256 6bbe6c51dcc8dea1…

MALICIOUS

PDF

40.7 KB Created: 2020-08-06 18:44:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a0b202d94e1dce9c86fa7c213d3639e7 SHA-1: aeee940b3abd16d7c833de891150e9046fec8ec6 SHA-256: 6bbe6c51dcc8dea1c8b49454a90ab3a8ffe126a9f44342e1b022bc425ca77422
194 Risk Score

Malware Insights

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

This PDF file contains a large number of embedded links, many of which point to a redirector service (ttraff.com) that is known to host malicious content. The document body and embedded links suggest a lure intended to direct users to external, potentially malicious, resources. The ML classifier also strongly indicated maliciousness.

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=abdc+list+2020+pdf In PDF document text
    • http://files.creative-soul-coaching.com/uploads/1/3/1/1/131164016/witazididemonikux.pdfIn PDF document text
    • http://files.ravinenews.com/uploads/1/3/0/7/130775942/novebokegufazut.pdfIn PDF document text
    • http://files.northernbugwear.ca/uploads/1/3/1/4/131407165/modofuda-tevuravikat-xejaduve-xewuzedalupus.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/1/0432/0156/0737/files/79405673660.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/1741436775.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/2363/6379/files/alibaba_cloud_vs_aws.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4556/0225/files/puxegatudojezuj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2458/7672/files/95530873709.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5651/9585/files/52667541143.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8359/4909/files/bepipumino.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7335/5424/files/gikixojadu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1319/2349/files/63188167015.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0228/1633/files/28543602445.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mirizopenifipometetotagoz.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 8

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_off00005ed3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5ED3 5244 bytes
SHA-256: 9957f7cf532640cfc63986552074c89a37b5d9a81b83c93383ede96a3eb1dd19
font_01_sfnt_off000070c1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x70C1 11060 bytes
SHA-256: 4dda1ac10e25938ca13d046ef33146ff100d68b7563ea4fae5a732f0f00b72a6

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