Malicious PDF — malware analysis report

Static analysis result for SHA-256 8f30ef2164be1451…

MALICIOUS

PDF

44.5 KB Created: 2020-08-03 16:44:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f421c350143d3fbfb054fc54824f5dc5 SHA-1: 5754d199849853ec501c372a3b1476b343035ddd SHA-256: 8f30ef2164be14515509ce756e1589a6e57a720a765637463914d91a26bf480f
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, many of which point to a redirector service (ttraff.com) that is flagged as malicious. The document body, though heavily obfuscated, contains the same malicious URL, suggesting a phishing or scam lure. The presence of many SEO-optimized PDF links indicates an attempt to generate traffic through search engines, likely leading to further malicious content or scams.

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=company+profile+structure+pdf In PDF document text
    • http://files.vislitsandbox.com/uploads/1/3/1/4/131437005/sotaxavud.pdfIn PDF document text
    • http://files.salvationpromises.org/uploads/1/3/1/6/131637695/kisobogodewu.pdfIn PDF document text
    • http://files.gabcmemphis.org/uploads/1/3/0/8/130814232/4527813.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/1/0428/8974/0441/files/rimewigoguwid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8052/3678/files/81579640873.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4932/0610/files/64805566759.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/53940500656.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zigomotixiwututorevibalu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0799/1208/files/who_s_your_daddy_lyrics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9146/7176/files/jimmer_fredette_salary.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2161/5775/files/13946196244.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lejozusuxawunulimedobina.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9465/4632/files/79049115945.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8764/2270/files/jozirevizurupokolixukoxe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1204/6491/files/7692411401.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_off00006f5a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F5A 5308 bytes
SHA-256: d0802221a5d6122887573cfd7a85726a059581ecf0fe11754026271eafa653e2
font_01_sfnt_off0000815c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x815C 10612 bytes
SHA-256: 456155ea78048310e76c501a0ead18d75a03c317cdaafd11402b73d7e6fca77a

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