Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f14cfd37ceb5987…

MALICIOUS

PDF

71.2 KB Created: 2021-01-08 10:46:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2022-06-20
MD5: 6bf8f04436ceb139f849cf756fe77a23 SHA-1: f8a9d6e1b8f9a68010c96c069efbd86b1bd05053 SHA-256: 1f14cfd37ceb5987d2a275ad3d89b8045a0398fe16958ebdea83ebfd60a820ed
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://traffset.ru/shook?utm_term=%25D1%2582%25D0%25B0%25D0%25BD%25D0%25BA%25D0%25B8+%25D0%25BE%25D0%25BD%25D0%25BB%25D0%25B0%25D0%25B9%25D0%25BD+%25D1%2580%25D0%25B5%25D0%25B3%25D0%25B8%25D1%2581%25D1%2582%25D1%2580%25D0%25B0%25D1%2586%25D0%25B8%25D1%258F+%25D0%25B8%25D0%25B3%25D1%2580%25D0%25B0%25D1%2582%25D1%258C PDF link annotation
    • https://cdn.sqhk.co/fopujetoros/uidRjcE/cheap_nails_near_me_prices.pdfIn PDF document text
    • https://cdn.sqhk.co/fosojatesog/jaWCpuX/spirit_airlines_stock_buy_or_sell.pdfIn PDF document text
    • https://cdn.sqhk.co/duvapegoleva/jjcoicZ/raid_ant_powder_data_sheet.pdfIn PDF document text
    • https://cdn.sqhk.co/zatufora/dgfijL5/cyber_dude_dev_tycoon_apk.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4415331/normal_5f95f69f9751e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4492901/normal_5fc1caf929f04.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369768/normal_5ff2c6ec1ea2d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4404984/normal_5fa99d11a7f2e.pdfIn PDF document text
    • https://cdn.sqhk.co/ferudati/r2khjgj/91179061620.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4477651/normal_5fe14669355f3.pdfIn PDF document text
    • https://cdn.sqhk.co/pitekofotada/4k2aPDM/daraku.pdfIn PDF document text
    • https://cdn.sqhk.co/tewisifupib/bGLggQG/break_time_meme.pdfIn PDF document text
    • https://cdn.sqhk.co/manewujunug/hSicNhd/33218622690.pdfIn PDF document text
    • https://cdn.sqhk.co/perigupa/5ieIXgi/roblox_gift_card_redeem_free.pdfIn PDF document text
    • https://cdn.sqhk.co/vekuperik/d69zjc2/hd_rainforest_live_wallpaper_download_for_android_mobile.pdfIn PDF document text
    • https://traffset.ru/shook?utm_term=%25D1%2582%25D0%25B0%25D0%25BD%25D0%25BA%25D0%25B8+%25D0%25BE%25D0%25BD%25D0%25BB%25D0%25B0%25D0%25B9%25D0%25BD+%25D1%2580%25D0%25B5%25D0%25B3%25D0%25B8%25D1%2581%25D1%2582%25D1%2580%25D0%25B0%25D1%2586%25D0%25B8%25D1%258F+%25D0%25B8%25D0%25B3%25D1%2580%25D0%25B0%2PDF link annotation
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000cc42.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCC42 5564 bytes
SHA-256: 3135c695455592cd09dde6d098cd7d69788b9ce9d0c0b08af46b67bea16ee98f
font_01_sfnt_off0000de9f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE9F 14980 bytes
SHA-256: a7860fd22a258af42c9d16b8c2b816b13fe5a673001078c95e9ab69ac56dca34

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