Malicious PDF — malware analysis report

Static analysis result for SHA-256 fdfdc97a32e66d82…

MALICIOUS

PDF

47.4 KB Created: 2020-08-28 12:19:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: fd40d940db1dea8819c238e9e91d52a0 SHA-1: e3d54fe2b500f37dd7882d062879b35a73679ce3 SHA-256: fdfdc97a32e66d82824bb1ddf7cf390b7d743f2cd8af5d678a0e0df585caa84c
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links, many of which point to external PDF files hosted on Shopify. One URL, https://ttraff.club/pify?keyword=kamina+nuances+amazon, is identified as a malicious redirector. This suggests the document is part of a link farm designed to manipulate search engine results or distribute further malicious content. The ML classifier strongly flagged this PDF as malicious.

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.club/pify?keyword=kamina+nuances+amazon In PDF document text
    • http://files.meganmilleryoga.com/uploads/1/3/2/6/132682640/3791863.pdfIn PDF document text
    • http://files.secretpocketsswimwear.com/uploads/1/3/1/1/131164387/pakowifexuvejorowi.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/1/0428/3577/1558/files/2241293980.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0923/6374/files/nabawobedajikexufelun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7029/9038/files/poxukikiziv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3865/3081/files/fodufomexijeriwitowud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6728/4387/files/minecraft_fortune_pickaxe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7257/7946/files/bunabifurolodebekujid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1335/7211/files/52556657726.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7378/1408/files/88064577504.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8577/4502/files/85457477681.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 2

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

Full JSON: related samples API

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004d27.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4D27 5320 bytes
SHA-256: 62f25f7c2c4de487abc7065fb712fa34a76fb031358a7770c9da44d64fed32f3
font_01_sfnt_off00005f47.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F47 4836 bytes
SHA-256: 2707fb0fcf0cb681748c183fcb96bb7ab36faaa0c24580a3718fb1208581e56a
font_02_sfnt_off00006fa9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6FA9 13732 bytes
SHA-256: 12e08d89341eb1d976b88041ceff83c81a527870e4fcf201c46aa686d68b4c88
font_03_sfnt_off00009b6d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9B6D 16148 bytes
SHA-256: e01a69098ba07677b39334931edda84c8878588a97f20994e517041d05b4d69d

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