Malicious PDF — malware analysis report

Static analysis result for SHA-256 6c420fd8602ce2e8…

MALICIOUS

PDF

42.2 KB Created: 2020-08-08 21:41:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3e07baea50e54e6b186e2bc57a6fd5e8 SHA-1: 34125f0222bf54318a831e9b382fce737bb1a57b SHA-256: 6c420fd8602ce2e831da816f73822e237f00fa0a984a575d59807747991ab59d
194 Risk Score

Malware Insights

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

This PDF document contains a large number of embedded links, many of which point to a redirector service. The primary redirector URL is https://ttraff.com/pify?keyword=break+even+analysis+solved+problems+pdf, which is known to lead to malicious infrastructure. The document body, though heavily obfuscated, contains this URL and other links, suggesting a phishing or scam attempt to redirect users to malicious content. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.

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=break+even+analysis+solved+problems+pdf In PDF document text
    • http://files.bigtable.net/uploads/1/3/1/8/131872238/2907fd5e4c32fba.pdfIn PDF document text
    • http://files.nickschumacher.org/uploads/1/3/0/9/130969678/jegujowugipefuz-sexefusodaju-ramedenewe.pdfIn PDF document text
    • http://jarodo.mollybernard.com/uploads/1/3/1/8/131856725/xodowaparex.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/1/0438/5076/0357/files/fda_3500a_form.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6305/8340/files/b_tech_colleges_in_ap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0705/7825/files/56215770795.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8886/2614/files/jozide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8558/6841/files/23720140706.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4635/4594/files/22301817107.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5525/1605/files/22223787780.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2482/6014/files/42883970742.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5592/2856/files/19146211884.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0718/8898/files/26030172192.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9067/3813/files/94816022460.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7589/4422/files/manual_de_economia_politica_urss.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_off00006467.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6467 5604 bytes
SHA-256: d211402504086d88ef21ab2cbeb4e905f770cb0d00e58c9046baa791c51ccde4
font_01_sfnt_off0000776b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x776B 10792 bytes
SHA-256: 85c8698cafaec18d4f599adc9bdeda4a54832d67bd4f7f1d134d642003d2eaf0

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