Malicious PDF — malware analysis report

Static analysis result for SHA-256 8782bddebd97ac34…

MALICIOUS

PDF

47.1 KB Created: 2020-08-27 22:25:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6d4242df46584f54a6e167c8d8d17459 SHA-1: 2369ee1640dabeb54647e936e9809ce697b7ca15 SHA-256: 8782bddebd97ac342fec1523466170003eab4b316854c4e9cac8f4a817873754
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many pointing to a redirector service (ttraff.com) and then to other PDFs hosted on Shopify. This pattern is indicative of a link farm used to obscure the final destination, likely a phishing page or malware download. The ML classifier also strongly indicated maliciousness.

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=overgrown+abandoned+riddle In PDF document text
    • http://files.auntroma.com/uploads/1/3/0/7/130739678/fupadedirugor-xawike-pumodamogolose-zazid.pdfIn PDF document text
    • http://tinoted.sstherapyandconsulting.com/uploads/1/3/0/9/130969265/kajubogogejo-teginu-posefo-tugimulejowapu.pdfIn PDF document text
    • http://files.rainbowsendmontessori.co.uk/uploads/1/3/1/3/131383953/meboziz.pdfIn PDF document text
    • http://files.simplybookkeepingllc.com/uploads/1/3/0/9/130969454/pozokaga.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/1/0436/8426/6137/files/39023745476.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8463/4530/files/webukaxixutariwosuti.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6045/3785/files/zavetogol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8660/1635/files/25466706235.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3699/9842/files/40145591469.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6282/0005/files/mafozurizewuxolapop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0418/2173/files/attendance_management_zk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2652/0986/files/notalibawewel.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 3

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_off00007bff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7BFF 5136 bytes
SHA-256: 1ce1645ad3d8451d4d4488ff70e9dc8a3fcc0a7907edff373590accd91081286
font_01_sfnt_off00008d99.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8D99 10080 bytes
SHA-256: d9dc1730e0d1a778c32f598aa8db6d5be92c7d29dd12fb1b7a482475ab4738fd

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