Malicious PDF — malware analysis report

Static analysis result for SHA-256 ec46d7849051db0c…

MALICIOUS

PDF

64.1 KB Created: 2021-02-11 21:38:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-19
MD5: e75de9b8d359a8bf6230324d37ef91c0 SHA-1: 5020572bb5ddef5662e748e9ccb04aab3df42472 SHA-256: ec46d7849051db0ce7df4ac51cdf9745ef386981c9a5f415f258a604ed638c5f
194 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
  • 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.
  • 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://yafferge.ru/wix?keyword=luigi+odyssey+plush In PDF document text
    • https://cdn.sqhk.co/rolaravez/Dzhbhcx/wizag.pdfIn PDF document text
    • http://nudazizefa.22web.org/81340758291.pdfIn PDF document text
    • https://cdn.sqhk.co/wevexifimur/Iihibhj/ditemefogazotowumawobof.pdfIn PDF document text
    • http://community-day.ru/88509416189caxfb.pdfIn PDF document text
    • https://cdn.sqhk.co/dasekizob/fzjc3GX/bakovojasekowodiw.pdfIn PDF document text
    • http://rbqjkwklnd.xyz/pac_man_and_the_ghostly_adventures_episode_8cagto.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4384323/normal_5fe9e668c2cb6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4529024/normal_601dbc1542e21.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4478923/normal_6009a16ce4d8f.pdfIn PDF document text
    • http://sikalaporaka.22web.org/symbols_vector_cdr_file_format.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4402481/normal_6019c1ec0ae47.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4473947/normal_60073b31310c0.pdfIn PDF document text
    • https://cdn.sqhk.co/xugosovemi/aaPRG07/97610393456.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4474759/normal_60152a9d26154.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/jipowumat/zebuzo.pdfIn PDF document text
    • https://s3.amazonaws.com/gezetega/7th_grade_math_questions_and_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/zibenoroduzuw/buwijuwewobuxonu.pdfIn PDF document text
    • http://pomogaxelako.rf.gd/how_to_find_android_studio_root_directory.pdfIn PDF document text
    • https://s3.amazonaws.com/dozore/wallpaper_hd_for_mobile_free.pdfIn PDF document text
    • https://s3.amazonaws.com/sifawekujiki/autodesk_homestyler_free_for_pc.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c2b5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC2B5 4956 bytes
SHA-256: e457366a5d3e4d643b1f2adffbdbbc1f3ba19a1b41a8b36af98a079e4e636a11
font_01_sfnt_off0000d3a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD3A1 9356 bytes
SHA-256: 806f2e7c12988cb4bf676452b6b5284e2a68009fd668b9a5abdaaf112bf0eb30

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