Malicious PDF — malware analysis report

Static analysis result for SHA-256 00edd2092380572a…

MALICIOUS

PDF

45.9 KB Created: 2020-10-17 18:04:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 56e27c99ab4a41476fd9ac60b656e846 SHA-1: e0ad6ae1f26927a154f239a7a3947fd4c252e735 SHA-256: 00edd2092380572a55810ecbbfde3551821f5f591495c85c1cbf9d81e5742541
194 Risk Score

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.me/123?keyword=breaking+bad+criminal+elements+apk In PDF document text
    • https://xazapadikud.weebly.com/uploads/1/3/1/8/131871762/kumomazikurimifunu.pdfIn PDF document text
    • https://jurizimobijagi.weebly.com/uploads/1/3/0/8/130874317/c67a1b51b43.pdfIn PDF document text
    • https://nubojubixuxo.weebly.com/uploads/1/3/1/4/131410311/nonotanesajajabad.pdfIn PDF document text
    • https://fupexorugukemig.weebly.com/uploads/1/3/0/8/130814763/7101885.pdfIn PDF document text
    • https://vozunutav.weebly.com/uploads/1/3/0/9/130969695/zobugoralutu.pdfIn PDF document text
    • https://tipefejiri.weebly.com/uploads/1/3/0/9/130969755/3408347.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369182/normal_5f8815a6b8fcf.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4371247/normal_5f8927ed85ad3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368495/normal_5f88908053cb3.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/1/0502/7066/6946/files/tkinter_tutorial_tutorialspoint.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8579/1383/files/transferencia_de_calor_mills.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0501/8697/7441/files/dezujaroxawajotad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/2790/4165/files/minecraft_the_complete_handbook_collection.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0266/7652/7296/files/transformar_arquivo_em_gratis_online.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/827161a9-0efc-43f8-bb50-8ba0ef768a95/poxenesiwetabezujivifu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ccde2a4d-a277-47b8-a02e-470856026e79/nuvugo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7030b348-70e4-4e48-92da-7b92262c528a/11670728258.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/413bcccc-873b-4217-bed7-604253fb4faa/92202852142.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9f45e6bf-5cc1-4cc4-bdc1-793a4579421b/bapodedolijamej.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e6d2d70e-01b7-4fe4-8821-849536d85e07/17497660105.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bbb79fc2-e8bf-48ba-9b65-2bd16ac82914/45402921357.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0dab1d4e-048b-46ae-ae4a-c9e4d2689799/osha_10_test_answers.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_off0000738c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x738C 5644 bytes
SHA-256: c077a32fcda2bf7e25b0158f9ffb811b11d04664a89dc51cd0dbeae3b8480380
font_01_sfnt_off000086a0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x86A0 10352 bytes
SHA-256: 064281c76243e6897b17c14df4e1fef039370c72c0b0da5c43400511d719f0bd

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