Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ec19776510bb6f2…

MALICIOUS

PDF

35.7 KB Created: 2020-08-28 00:03:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 41172df041d4d1c04dae77882ae7652f SHA-1: 0e309de0fbf9228b5fb8aba54c8f64cc95ea05ac SHA-256: 7ec19776510bb6f2cd478d8af7b56f5d14ace0347a805308c7c0ef8f65832ae9
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous links, many pointing to a redirector service (ttraff.cc) which is flagged as malicious. The document body, though heavily obfuscated, contains text suggesting a lure related to 'foundation papers' and includes the malicious redirector URL. This indicates a phishing attempt to redirect users to 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=wild+and+goosey+foundation+papers In PDF document text
    • http://zorago.artswithaheart.org/uploads/1/3/2/7/132710712/nibelukixatadu.pdfIn PDF document text
    • http://files.kinglenatcornerstone.com/uploads/1/3/1/4/131437194/2781582.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/1/0430/5358/0439/files/90595267069.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9586/8057/files/calque_word_formation_process.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7797/5717/files/koxobexozagos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0740/9308/files/26781386998.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6197/8023/files/adobe_acrobat_x_pro_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5911/6182/files/punupedodiduvutigefo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3282/8314/files/nesusariselofitizeg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0195/3952/files/tofukimonabuvamujeki.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4090/6143/files/how_to_dual_wield_in_minecraft.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7102/0960/files/zadulidokelozenofalusaso.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 2

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_off00004e6e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4E6E 5324 bytes
SHA-256: 6e020e45058411d19b53810365a19f242b5246496540278cf217aea3182e2645
font_01_sfnt_off000060aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60AA 9864 bytes
SHA-256: b61b827e3d067afe4a1e6a3ac8c15510ade03ba7105544fb9a6f8c5879e40deb

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