Malicious PDF — malware analysis report

Static analysis result for SHA-256 68424fb35a90dcfa…

MALICIOUS

PDF

71.5 KB Created: 2020-08-01 12:49:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4f15b68dee27c432d1e90b8c30374bc8 SHA-1: 8316dbb5cdf94d21896e4531a13a1a31a9f08fbf SHA-256: 68424fb35a90dcfa63a09be7e17f4e50ddeab6845702255c05a6a7955629066d
194 Risk Score

Malware Insights

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

The PDF contains numerous links to external resources, including a critical link to a known malicious redirector at 'https://ttraff.com/pify?keyword=wow+just+a+few+more+things'. The ML classifier also strongly indicated maliciousness. This suggests the document is designed to redirect users to malicious infrastructure, likely for phishing or to serve further malware.

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=wow+just+a+few+more+things In PDF document text
    • http://files.drkaska.com/uploads/1/3/0/9/130969158/dederesirop_luwefogapele_wewetulovejora_puwiloselo.pdfIn PDF document text
    • http://files.valkyrieglass.com/uploads/1/3/0/7/130775400/tupuburafij.pdfIn PDF document text
    • http://files.nations-beauty.com/uploads/1/3/0/7/130776055/zudatuf.pdfIn PDF document text
    • http://files.mod-mode.com/uploads/1/3/0/7/130738883/gunavigukilude-veresetobabibag-zanufa.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/1/0436/3229/6089/files/87457532296.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8803/6505/files/gowotesewusobo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2750/4024/files/nelavupupufasilumawogawun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8250/6647/files/23916132156.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8322/5506/files/toladalu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3159/3113/files/17050656007.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2476/9436/files/kizanunaziguwaseku.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1218/5502/files/6042915469.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7205/2643/files/kutugodiped.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xeniwepisovera.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3815/4657/files/jusuriwasejigo.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 6

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_off0000da03.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA03 5328 bytes
SHA-256: dce2a1069bf1d52c2d01b2dcf57b1b7d1c0d3e3e82c6dad335610eebc7d6e314
font_01_sfnt_off0000ec18.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC18 10844 bytes
SHA-256: 9fbbb6d8b35a0593e215071db18d2ee3bcf523faec784dfabf8b609a709b1bb6

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