Malicious PDF — malware analysis report

Static analysis result for SHA-256 60a9a4b938379a29…

MALICIOUS

PDF

44.5 KB Created: 2020-10-28 17:25:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2020-12-25
MD5: 6db018953878e3e714649c0b30c02559 SHA-1: ad29a34a0ac43a971ba01d7c003e71ecfc4ce8e1 SHA-256: 60a9a4b938379a29b02e136c79af4427a8f20a31b3bb62c88308cac62e1408b9
184 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.
  • 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://gettraff.ru/123?keyword=mahindra+manual+download In PDF document text
    • https://porelananov.weebly.com/uploads/1/3/0/7/130775759/mejisasemexa_mexidixuxoguri_pomadito.pdfIn PDF document text
    • https://damijuvik.weebly.com/uploads/1/3/1/3/131381376/navoforiku.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365639/normal_5f87535c4d257.pdfIn PDF document text
    • https://folemazilepi.weebly.com/uploads/1/3/1/1/131164248/1713188.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368242/normal_5f9088f626644.pdfIn PDF document text
    • https://dewisepiremutu.weebly.com/uploads/1/3/4/3/134318599/wesifipipujogub.pdfIn PDF document text
    • https://wivupenoremew.weebly.com/uploads/1/3/0/7/130775018/zisobujudud.pdfIn PDF document text
    • https://mixorone.weebly.com/uploads/1/3/1/4/131438240/6d9f72702a9dd46.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366308/normal_5f8b5301434b3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367312/normal_5f8952852b224.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/1/0430/7877/9047/files/mixovaduwe.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7367cd0b-8548-4636-9c3c-96dddd92c526/14335785580.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/86362aef-71f1-4b5b-8bed-576912b4ea2c/58168766589.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d6f55164-0631-491c-bffd-74df5cf08e79/quran_with_urdu_translation_shia.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0500/1766/5184/files/navaxakebavitemuxew.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/449fb857-2ea1-4e41-82ce-34792e06bc2c/avanset_vce_crack.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2987f196-14b1-40d6-ab72-47574607349a/fafixijitelexujukunajixi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f56787fc-e512-4615-98f7-74c7b5c983ee/kekovijerolosuvivit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0484/6996/7013/files/wechat_application_download_for_android.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5496afb9-e168-4c69-a36b-5faf2eb1447a/64139150362.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0488/2549/9813/files/wifi_hack_apk_root.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0503/2417/7093/files/word_e_evirme_program.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_off00006fe1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6FE1 4984 bytes
SHA-256: 602cdf9a2b2d7d1f2e4f65d07d432aee91da62dd762fdee7c02d0ecadf1a5794
font_01_sfnt_off000080ba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x80BA 10524 bytes
SHA-256: 5d4cbc5d6dd147919d86d928219c9a7fe2fe7b2d43cf2a4fe84a81e8405bb6c6

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