Malicious PDF — malware analysis report

Static analysis result for SHA-256 741aa6de8bacd61c…

MALICIOUS

PDF

48.9 KB Created: 2020-08-05 03:15:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 741c3f6d2d0ed4f6c39d84838c054ebd SHA-1: f1817c75943d170b9689787e90ddd9a7d08ceb44 SHA-256: 741aa6de8bacd61c29ee299aa99691cf4a4aa3ff840a9f67375114f479f98a86
194 Risk Score

Malware Insights

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

This PDF file contains numerous embedded links, many of which point to a redirector service (ttraff.ru) that is flagged as malicious. The document body, though heavily obfuscated, contains text related to 'religious trust deed format pdf in tamil' and also includes the malicious redirector URL, suggesting a lure for users seeking specific document templates. The presence of a large number of external PDF links, many pointing to Shopify domains, indicates a link farm strategy to improve search engine ranking for malicious content.

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=religious+trust+deed+format+pdf+in+tamil In PDF document text
    • http://files.essenceofbeautydublin.com/uploads/1/3/1/6/131637057/9362341.pdfIn PDF document text
    • http://felunofo.helenmccreery.com/uploads/1/3/1/3/131379803/wemivogel_fulaxati_xewipunoxum_diropuragop.pdfIn PDF document text
    • http://files.shopkoco.com/uploads/1/3/0/7/130775498/4106519.pdfIn PDF document text
    • http://files.ourladyofthebays.org/uploads/1/3/1/3/131381021/pabob.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/1/0430/6750/6849/files/nukawomerimexuzi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zonamanasalusowalu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7496/1059/files/adjoint_of_a_3x3_matrix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8298/1281/files/83818146274.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8082/7558/files/kulovovuxisupivon.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5627/5362/files/make_chrome_full_screen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4444/6118/files/jukidut.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5095/7974/files/8005575857.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4296/3613/files/suvodamawazowozotibeb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4211/1650/files/67862760002.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1818/1013/files/lixugomu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6820/2901/files/wiwemegunebuwazakukaze.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3049/4878/files/35891922537.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8591/2472/files/dorojunanofa.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_off000080f1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x80F1 5368 bytes
SHA-256: 9b4e7156e97ee87e08f7596a7a69665b62a90f71e87dfd2b0d4fbea916f2fdd4
font_01_sfnt_off0000931f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x931F 10260 bytes
SHA-256: 06784fcf4c7c6953186e2f57a724c2b2073cf8ab0889af593dfc23f279fe057b