Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e193490bdbe09ca…

MALICIOUS

PDF

122.3 KB Created: 2020-07-31 08:23:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ac0183a2188e7905a0af6f293016d5a8 SHA-1: 48b5642c9d5fb2dc4f71a50884aa809772660521 SHA-256: 0e193490bdbe09cac89561f57e93b9b0ab29ceb73164d2c998d869e767b3007c
194 Risk Score

Malware Insights

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

The PDF contains a mass of external links, many pointing to Shopify domains hosting other PDFs, and one prominent link to a redirector at 'ttraff.com'. This suggests a link farm or SEO poisoning tactic to lure victims with a fake government almanac. The ML classifier strongly indicates malicious intent, likely to deliver a second-stage payload via the redirector.

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=sarawak+government+almanac+2020+pdf In PDF document text
    • http://files.krystynwypasekdesign.com/uploads/1/3/0/7/130739802/wezuvevo-gorulokujaga-sezawot.pdfIn PDF document text
    • http://files.carlyrumpf.com/uploads/1/3/2/8/132814305/4438187.pdfIn PDF document text
    • http://files.hadarsobol.com/uploads/1/3/2/6/132695434/360637.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/1/0436/8809/9993/files/ranome.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0645/1094/files/92664051097.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9201/7305/files/lapisokofurekof.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6031/3763/files/gugefapamonamewaju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2784/9639/files/84185186131.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7244/4823/files/91245977150.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3008/4760/files/porifulugapefano.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6557/1493/files/72220940033.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4871/3896/files/naxasanapakumene.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 2

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_off00017657.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x17657 13960 bytes
SHA-256: ae32721b4049af8ea289caead13aaf94118f54aa8140064c4ca0e5f4b3e1e9f1
font_01_sfnt_off0001a315.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1A315 5628 bytes
SHA-256: e97a71168a5e35fefabfaf5038d12789d9352dcbc56696089f6d7b8ae8efdea8
font_02_sfnt_off0001b633.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1B633 11224 bytes
SHA-256: 38e2f93df23820dd979626f7ff4b785c03359c334ea38be40a507d40925c85c5

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