Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e1232889781cc7f…

MALICIOUS

PDF

36.8 KB Created: 2020-08-19 03:16:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5e92cd66039935ab08bab0224bd2bfbe SHA-1: 31289d6094290a08255ca86af9d0e855e23ebd98 SHA-256: 1e1232889781cc7fee14fa330262992555b5ed48a4caf1af9644290a365050fe
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=kdwin+armenian+keyboard', which is flagged as malicious. This suggests the document is designed to trick users into visiting malicious infrastructure, likely for further exploitation or credential harvesting.

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.ru/pify?keyword=kdwin+armenian+keyboard In PDF document text
    • http://wazonulo.lemonbayclaycenter.com/uploads/1/3/1/3/131383708/julaj-jefafewife-xidudogoxa.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/1/0429/6949/7753/files/29901677394.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8856/6677/files/because_im_happy.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7743/5556/files/minecraft_servers_0._12._1.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2128/7080/files/voxuxedazavamopi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3687/6695/files/16622162516.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7431/3621/files/gijuvomixixil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7352/8213/files/89216688150.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2727/4645/files/silip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9375/2997/files/68797052096.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6411/2805/files/daximaxu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3355/8168/files/87257314850.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 1

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_off0000512f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x512F 5128 bytes
SHA-256: 4ae5400f064287331e503d446c488c2ebcf5cb8cd64675d5cc3088b22a50f0fa
font_01_sfnt_off000062a0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62A0 10760 bytes
SHA-256: 7b92d2793eb2a865ec02661fa63872a63c58aa1dc23822407843c791590e8ae6

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