Malicious PDF — malware analysis report

Static analysis result for SHA-256 eda01ee37dc94368…

MALICIOUS

PDF

46.0 KB Created: 2020-10-25 14:09:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2020-12-26
MD5: e343c29a7540baadec3a767e9b501446 SHA-1: 32571f6b5100ec250ebaadc1668d69d88c8ba4d1 SHA-256: eda01ee37dc94368163d9b3ca6e40c5e54c3e505f6217d71d167a50e56ffb3ac
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://cctraff.ru/aws?keyword=comparison+exercises+pdf In PDF document text
    • https://boguvetasitob.weebly.com/uploads/1/3/1/3/131380850/1346883.pdfIn PDF document text
    • https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/kadupe_ripovu_jozovagazemewe.pdfIn PDF document text
    • https://pisanofinupu.weebly.com/uploads/1/3/1/4/131437881/gemamo-rukanujumezu-jezonix.pdfIn PDF document text
    • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/kedoxezezaj-temolej-zunemalavorun-mutelokowomimi.pdfIn PDF document text
    • https://xirugavo.weebly.com/uploads/1/3/4/3/134337246/gevev.pdfIn PDF document text
    • https://rabugotekinevod.weebly.com/uploads/1/3/1/8/131871666/favisaj.pdfIn PDF document text
    • https://saxibodusazo.weebly.com/uploads/1/3/0/7/130740440/funajedoweruf-bawikaroza-niwixem.pdfIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000749f.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000749f.bin)
    • https://uploads.strikinglycdn.com/files/79c1a674-65ad-4f12-863b-09e308b89603/58413936995.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/acaea62f-72f3-4ad1-a71f-5c23ff8a6e57/rirolovajobemiborola.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3dbfb5b1-3bd5-4dec-a55d-bca5a1b33acc/51404727594.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0ea3f143-028e-446f-a1e6-4c26a4f4a141/48520220669.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d913ebcb-01a1-4a66-a397-6401b796315d/18524565369.pdfIn PDF document text
    • https://s3.amazonaws.com/jupevuxirapi/86095102794.pdfIn PDF document text
    • https://s3.amazonaws.com/tejuvonixag/bible_in_english_free_download.pdfIn PDF document text
    • https://s3.amazonaws.com/nawuvud/68178053103.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a50ed5bf-4e0d-4ad1-94ac-9b81c1715441/thicc_asian_booty.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6b513a43-3122-48a2-af9d-1c76dee9e245/11715554233.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ab441aee-0ab0-4ce0-b1f1-5ad6297f8139/vepuximukanidi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0485/0309/5451/files/jimmy_timmy_power_hour_2_when_nerds_collide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1560/2339/files/manual_de_auditoria_financiera_peru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0491/8447/3254/files/28762678178.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 extracted file (font_00_sfnt_off0000749f.bin)

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_off0000749f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x749F 5244 bytes
SHA-256: 7a99419bfc676ef60b63a9912ded867cd64776b0e6ff30e09256f83fc37c8554
font_01_sfnt_off00008652.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8652 10716 bytes
SHA-256: a2b113b2d509a5eac57ab5e9321e46fd51832f6b37a22fdd0d40f7b1c22deac6

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