Malicious PDF — malware analysis report

Static analysis result for SHA-256 95ebe9f52b6033bb…

MALICIOUS

PDF

94.1 KB Created: 2021-04-16 12:56:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 0579977a8cb21c0dd2268f205dac13fc SHA-1: 495b8e7a18eebb90897c50a477327679e86308be SHA-256: 95ebe9f52b6033bbdfaf4602c634d0146c9855fd068dca4203ed3d7da8bb8a97
76 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF file contains an embedded URL that redirects to a suspicious domain, likely for phishing or malware distribution. The ML classifier strongly indicates maliciousness. While no scripts were extracted, the presence of external URIs and the ML detection suggest a malicious intent to redirect the user to a harmful site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 4

  • 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://druttle.ru/strik?utm_term=learn+how+to+read+and+write+korean PDF link annotation
    • http://copyright-helps-team.com/how_to_add_a_hard_return_in_wordimr39.pdfIn PDF document text
    • https://cdn.sqhk.co/konumapedowe/f7hajdP/18404513272.pdfIn PDF document text
    • https://cdn.sqhk.co/pivokazi/BKFKShj/mp3_cutter_and_ringtone_maker_premium_apk.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380682/normal_6029cab1768fa.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4502245/normal_5fe96fb984ac5.pdfIn PDF document text
    • https://cdn.sqhk.co/xufojidaju/JNqDMjc/manapay_meaning_in_tagalog.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4459941/normal_5ff988e988055.pdfIn PDF document text
    • https://cdn.sqhk.co/xavaxonad/hgeWgdg/10156829444.pdfIn PDF document text
    • https://cdn.sqhk.co/wobuwaseja/sgewYgj/fortnite_minigame_codes_switch.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409394/normal_60592d05a2760.pdfIn PDF document text
    • http://top-shop-store.website/bolalejikevujasix9xnki.pdfIn PDF document text
    • https://cdn.sqhk.co/videgogaf/O6ihu74/jokakulofovabujiguburi.pdfIn PDF document text
    • https://cdn.sqhk.co/zobelekivix/5RYichj/bivumeselafakoziwewiwaba.pdfIn PDF document text
    • http://love-your-lips.online/tamilrockers_new_tamil_movies_isaimini7g8rw.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/0f365b15-acdb-468e-9e05-a219211d26b2/62642495901.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b98e5fb2-c9ac-4742-b9f4-004707f13700/84367174233.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1042ed22-6d14-4fe7-a490-2b75717c887d/what_can_you_eat_on_cardiac_diet.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f1ea4307-ca41-41d6-99cf-bb0074a86911/49410558593.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ce75c885-a536-429b-b799-7c17283ff1fc/new_york_state_drivers_license_renewal_extension_covid_19.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fb21.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFB21 19652 bytes
SHA-256: 69f757185a0602ba52715f01e220cbb9472d236c3f92a6c25f88e5f874ff77db
font_01_sfnt_off00013538.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13538 4800 bytes
SHA-256: d4f8325ad4841f0916ea1a0c6f2521b4b03c3f67a1fa81d408ca9b497251532d
font_02_sfnt_off0001459b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1459B 10952 bytes
SHA-256: 9c516cc652bcf4cd3f07c91195e8cdd6e99c39a4befd4dcb98a99b73cf0b5154

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