Malicious PDF — malware analysis report

Static analysis result for SHA-256 5884de2eae12354f…

MALICIOUS

PDF

46.8 KB Created: 2020-08-10 01:51:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 709b555f23ddabcd11da5181e91f2c0a SHA-1: 7a4dc1589103449b60aff902e319390e5087a70d SHA-256: 5884de2eae12354ffbe5e4aa888cb31f9995f507ff5fca822f13dc301b048c27
194 Risk Score

Malware Insights

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

The PDF contains a mass link farm, with many links pointing to Shopify domains and one critical link to a known malicious redirector at ttraff.cc. The document body, though heavily obfuscated, contains the same academic-sounding lure and the malicious URL, indicating the intent is to trick the user into visiting the redirector. The redirector likely leads to further malicious content or exploits.

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.cc/pify?keyword=composition+and+structure+of+atmosphere+notes+pdf In PDF document text
    • http://files.fallcityarts.com/uploads/1/3/1/0/131069906/nalosubuxusofofeta.pdfIn PDF document text
    • http://files.rrrca.org/uploads/1/3/2/6/132695333/d29eab18cf4681.pdfIn PDF document text
    • http://files.nevadadiscoveryride.com/uploads/1/3/1/3/131381540/dorojede.pdfIn PDF document text
    • http://files.cnycatholiccalendar.com/uploads/1/3/2/6/132681634/varodefos_sasikokirase_gujofi.pdfIn PDF document text
    • http://files.impunity.site/uploads/1/3/1/4/131438449/xejupufazaturiv_nuduwaxokuv.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/1/0428/0962/2687/files/zavabulorazelosubusowe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0212/6751/files/11975651442.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9191/7989/files/cervicogenic_headache_stretching_exercises.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8919/9268/files/route_66_theme_song.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5517/8150/files/4427913680.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1908/2655/files/73973254147.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5955/2155/files/uat_test_plan_template.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0046/2503/files/ways_of_the_world_2nd_edition_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0486/9277/files/traducir_de_ingles_a_espaol_gratis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4402/0125/files/john_deere_weed_eater.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3321/4621/files/36877812661.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9925/1093/files/35485628585.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4732/0728/files/puxopom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1165/3277/files/vocabulario_de_arquitectura_en_ingles.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_off0000778a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x778A 5268 bytes
SHA-256: d7042ac505993a2eca361a9f4af5ac36acdaaf83e613783bda3c6d2a66de4e8b
font_01_sfnt_off00008944.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8944 10780 bytes
SHA-256: 361cbe15223621c535694a6cee941cb99c08c0409c3694c401a5625dc3b8da65