Malicious PDF — malware analysis report

Static analysis result for SHA-256 2209769082199e5f…

MALICIOUS

PDF

70.5 KB Created: 2020-11-07 03:29:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-15
MD5: 6a6ba2f9aa323a4370aab03674871f35 SHA-1: b159c3f97e6cc511849a2f5a8366c421da581d76 SHA-256: 2209769082199e5fc628659b928b4ae9a8b40468edef46e014d56a64c070df75
124 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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/123?keyword=beginner+s+guide+to+creating+manga+art+.pdf In PDF document text
    • https://daletutanedura.weebly.com/uploads/1/3/1/6/131636587/xemuwuxevakomaj-vefajak-zeraki.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366028/normal_5f92ac9ba2a08.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408598/normal_5fa5f4192e65a.pdfIn PDF document text
    • https://saxibodusazo.weebly.com/uploads/1/3/0/7/130740440/776913.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408703/normal_5f96c6505ff33.pdfIn PDF document text
    • https://kidunaxu.weebly.com/uploads/1/3/1/4/131437100/dulefipalep_jobowajoxugo_wiribulelom_nuzigo.pdfIn PDF document text
    • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/rezareludufiven-voxodopi.pdfIn PDF document text
    • https://moxitasa.weebly.com/uploads/1/3/1/4/131454719/vevenen-xasunedovati.pdfIn PDF document text
    • https://zepinimokibe.weebly.com/uploads/1/3/4/3/134373719/jofevobefug.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4384152/normal_5f8fcbfdc92f8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368240/normal_5f88610d0d567.pdfIn PDF document text
    • https://suzoniku.weebly.com/uploads/1/3/4/4/134456843/683040a9954132.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://uploads.strikinglycdn.com/files/ac010974-4e42-4ed8-b8db-9ce9a395f6b2/kebolejapegafovusegopi.pdfIn PDF document text
    • https://fefitaw.files.wordpress.com/2020/11/64939725781.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/da9255e9-bc66-46e5-b974-f7fd3129dc3e/votuka.pdfIn PDF document text
    • https://fokupolewu.files.wordpress.com/2020/11/naseximawepona.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/75f1d9dd-aa50-4f9e-be97-7626a3fb0b3b/marquee_series_microsoft_office_2016.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f3780b57-0486-4efa-9e7d-e6945b00fea1/liftmaster_garage_door_opener_keypad_troubleshooting.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00009f84.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9F84 5404 bytes
SHA-256: e2a278ab20e123add34cd79b0e96ce5a528ee8169c0b0fad8314b510d185e31e
font_01_sfnt_off0000b1cf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB1CF 1964 bytes
SHA-256: 6df601e85dfc90c946656797585dc8da0f3a5ae40063fe0974a1ee9a87c26c9f
font_02_sfnt_off0000bad9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBAD9 10752 bytes
SHA-256: b4758d16c582008e0e516b880e7dcabe42d978bdefde6f43c165d07a499e205e
font_03_sfnt_off0000dfe8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDFE8 16416 bytes
SHA-256: af6545cc2318d27ecafec356b4bc3a1ae9bf93fb34fea327676f982b27d16dce
font_04_sfnt_off0000f5db.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF5DB 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3
font_05_sfnt_off0001038d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1038D 1736 bytes
SHA-256: 551918360585b1590efa6fd2a215345b2f702067d151a0e4b48cfa7490b57960

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