Malicious PDF — malware analysis report

Static analysis result for SHA-256 17e9db04ee906dc9…

MALICIOUS

PDF

46.5 KB Created: 2020-08-01 22:44:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 118e7e80243aee9fc2a3fe9859d7fa6d SHA-1: a773028ce36b71abde4c7b929c5d0307885324e5 SHA-256: 17e9db04ee906dc932f13e600a96427bfe4695ab41bdf0c4f25de3f822f09a46
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains multiple embedded links, with a critical heuristic firing indicating it links to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains URLs that appear to be part of a link farm designed to lure users with promises of free downloads. The primary redirector URL is https://ttraff.cc/pify?keyword=liter+to+gallons, which is used as an image lure.

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=liter+to+gallons In PDF document text
    • http://files.taranakisummerschool.com/uploads/1/3/0/8/130874207/kamijagemepivo_kaximabe_zakiredepav.pdfIn PDF document text
    • http://files.outlandscorgis.com/uploads/1/3/1/3/131379118/kavadetekofo.pdfIn PDF document text
    • http://files.browbandessentials.com/uploads/1/3/1/3/131378953/b4d49b81.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/1/0435/5214/5560/files/minecraft_team_extreme.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6662/2101/files/5837383138.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5802/8959/files/12306908273.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2571/0750/files/xofupekaloba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vufofabiziterefabul.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6607/8870/files/20536836708.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/51098187394.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0935/9520/files/44137613161.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5095/1066/files/84431927414.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/84574839703.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/29331550606.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8792/1313/files/54811886567.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3273/1038/files/1384751757.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006500.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6500 4792 bytes
SHA-256: ecc09ab8eb42fbc3798be7a99d046e6d5b5da76876ad04c2cd2b8f249da8e00f
font_01_sfnt_off0000755f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x755F 10080 bytes
SHA-256: 46c66e708c5e40e7eb0cdf4ec3bd09c8be2f304e054f1180c3471a98c68b712e
font_02_sfnt_off000097fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x97FD 16216 bytes
SHA-256: 9aaf374d64521945a2d179b3de22a0ad451813c1e8d23897d9514ef9876b453b

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