Malicious PDF — malware analysis report

Static analysis result for SHA-256 378bce48601bddbe…

MALICIOUS

PDF

34.3 KB Created: 2020-08-12 16:50:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 2b0c66d852b8d36bd3cb94c77de26532 SHA-1: ca79c1c370bb73d2ab57fdbd34120a8ebfad2749 SHA-256: 378bce48601bddbe3205eaae14c06579e611964f3a8841b8386df72b2fbef14b
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous links hosted on Shopify domains, though most appear benign. The ML classifier strongly flagged this PDF as malicious. The embedded URLs suggest a social engineering lure, likely aiming to direct users to a compromised or malicious site for further exploitation.

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/wb?keyword=kocom%20kcv-a374%20pdf In PDF document text
    • http://files.virginiacitytreasureisland.com/uploads/1/3/1/3/131380292/soxuvofinawu.pdfIn PDF document text
    • http://files.littletheorem.co.uk/uploads/1/3/2/6/132681415/2442107.pdfIn PDF document text
    • http://nevoniji.pmiterms.com/uploads/1/3/0/8/130874218/a8208a2119b488.pdfIn PDF document text
    • http://vujagezo.nicholasmedoro.com/uploads/1/3/0/7/130738969/9904ef0f49c50.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/1/0430/7045/5965/files/kopilasakesizutumekanuf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7578/8184/files/warhammer_40k_detachments_8th_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0958/0961/files/zupijikijuwawil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8950/2110/files/24149145069.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6469/6738/files/jokiwolevib.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4287/3249/files/minigenefepurugumeg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3940/7784/files/94139053324.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1927/0301/files/37119479554.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0452/3101/4045/files/xogijifidoba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8706/7291/files/35736227733.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 7

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_off000046d6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x46D6 5452 bytes
SHA-256: c5e6a9a25ab7602957ebc4d35d50a8b20016bfc030c94938649902bcb5de1eb3
font_01_sfnt_off00005968.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5968 10360 bytes
SHA-256: 0818ff2cccf3e555903cc7b9e256cc01caebd4fea6479f7c7ea03f67d5226c26

Open this report in the interactive analyzer, or submit your own file for analysis.