Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe02198627181283…

MALICIOUS

PDF

42.5 KB Created: 2020-10-01 07:03:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: fbf7f782c6710e8c3df680fa85a11bd2 SHA-1: 33431b51292d50e9e86e60d1fc05ea4de34a1a25 SHA-256: fe02198627181283efc914735ecb1539c6f65ccf937131cf58f210c0fecce95e
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://ggtraff.ru/strik?keyword=amazing+grace+piano+easy+pdf In PDF document text
    • http://files.cardiffflyers.com/uploads/1/3/1/6/131607683/mujunomumasewe-zowaka.pdfIn PDF document text
    • http://vasoniw.countrysquireinn.com/uploads/1/3/0/9/130969497/6254605.pdfIn PDF document text
    • http://files.food-literacy.ca/uploads/1/3/1/3/131383514/tazixegariba_jogixojezalesan_bikanafe.pdfIn PDF document text
    • http://files.bmwrok.org/uploads/1/3/0/8/130874567/9495ecf1.pdfIn PDF document text
    • http://petaba.brendawehle.com/uploads/1/3/1/4/131453574/6385cadce.pdfIn PDF document text
    • https://site-1037875.mozfiles.com/files/1037875/katoroz.pdfIn PDF document text
    • https://site-1037858.mozfiles.com/files/1037858/15283672754.pdfIn PDF document text
    • https://site-1037132.mozfiles.com/files/1037132/34774824887.pdfIn PDF document text
    • https://site-1036851.mozfiles.com/files/1036851/86563993384.pdfIn PDF document text
    • https://site-1036724.mozfiles.com/files/1036724/22478120995.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/07795b71-deb3-412e-9e03-fbe4fe08bc88/13209192474.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2a4fa118-8eef-4d34-a87c-c90d84e4102d/56757611247.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e1ce2dcb-2cdb-4d8a-9d1e-203659f6c84f/bajesiduguvaxegubomonar.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/eafd9869-3411-49cd-9884-803f757eb72d/vexipot.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/900897c7-1f2b-4377-9fc5-c1b91aa0156e/49946045971.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0484/1943/8760/files/34310202181.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0324/0871/files/technicolor_tc7200_firmware.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5590/6967/files/mizalenijatojidogoz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1411/1903/files/rubozezidamabu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4473/9999/files/in_vitro_carrageenan.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_off00006663.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6663 5584 bytes
SHA-256: aced92344b56380473fc09bb5bcc30227b080fc5c52c7ca6e621ba4dc7ef9042
font_01_sfnt_off0000795d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x795D 10488 bytes
SHA-256: 46ad752dc9f2eddfd3e828139a96bf9c2088934e71434619a1bfb0ed3e72093d

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