Malicious PDF — malware analysis report

Static analysis result for SHA-256 03250651103bb308…

MALICIOUS

PDF

40.8 KB Created: 2020-08-13 21:21:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a73b0e7939d0402ecfd1330d58c56fe2 SHA-1: 3d3c91716b16cbaa61c0362d97babfd13eaf56e2 SHA-256: 03250651103bb3082dc223b1d500577b8dd637b5a7a9efc1dccfc0e5e8f5bbc6
194 Risk Score

Malware Insights

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

The PDF contains a link farm and a redirector URL, indicating a phishing or scam attempt. The embedded content suggests a lure for a "best video template app" which redirects to the malicious URL https://ttraff.ru/pify?keyword=best+video+template+app. The ML classifier also strongly flagged this PDF as malicious.

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=best+video+template+app In PDF document text
    • http://files.greenmeads.org/uploads/1/3/0/8/130873838/semovefilisoxoxuwa.pdfIn PDF document text
    • http://baruten.afterall-this.com/uploads/1/3/0/9/130969742/748a596e9d6e7b5.pdfIn PDF document text
    • http://files.htagmedical.com/uploads/1/3/0/8/130813118/naduwaj.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/1/0430/3729/4754/files/65140008526.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gamusuzojikifikukudubug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8609/4242/files/63529420327.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0450/6845/1992/files/bromatologia_definicion.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2258/0886/files/10604941704.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8801/1673/files/falaxofonuzogovefebuk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1222/7225/files/raluv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6705/7063/files/guwudid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5932/8662/files/72934309076.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7547/7416/files/84825584572.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6738/3713/files/sevuxevawulem.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2014/7093/files/12522513592.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006103.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6103 5116 bytes
SHA-256: 4f4effd1b40db30f469496ead96eaf623eff7ae03de6e0bef542e81fff37fdff
font_01_sfnt_off00007262.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7262 10612 bytes
SHA-256: 164b43cb9ce82ce1a5457aefe03a6cccb60516a0a34ed2f7bdfbb16e752c4065