Malicious PDF — malware analysis report

Static analysis result for SHA-256 500eba057c89a07e…

MALICIOUS

PDF

73.4 KB Created: 2021-03-10 22:59:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 0f31939533f5e4190a042d1f74ff2071 SHA-1: aeee776b24c4433b85df7214c07894b6464fa934 SHA-256: 500eba057c89a07e15c8f9dcd1c3817c0c8e439de4fc5ee4a97a45799d9f6f9f
186 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains heuristics indicating it is a brand-impersonation credential phishing lure, specifically impersonating 'Target'. It utilizes a redirector URL that ultimately leads to another PDF file, suggesting a multi-stage phishing attack. The presence of numerous external URIs and link farm characteristics further supports a malicious intent to direct users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
    Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://vuzevarezevarot.weebly.com/uploads/1/3/0/7/130740461/xutela.pdf.
  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://xajibur.ru/award?keyword=caducidad+definicion+pdf PDF link annotation
    • http://jedomagisuw.getenjoyment.net/64605898956.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4383923/normal_5fe6003637192.pdfIn PDF document text
    • http://vetebozo.mypressonline.com/sebujovirolanibajuj.pdfIn PDF document text
    • https://vuzevarezevarot.weebly.com/uploads/1/3/0/7/130740461/xutela.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4404983/normal_5fd1247ceea2d.pdfIn PDF document text
    • http://vorecan.fun/74415791026qzdi9.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4425912/normal_5ffc04910a977.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4405895/normal_5ff7094dc4a36.pdfIn PDF document text
    • http://supexevibune.22web.org/furunabubumexipudobivud.pdfIn PDF document text
    • https://wunepilupizuxo.weebly.com/uploads/1/3/1/8/131857535/xutuloza.pdfIn PDF document text
    • http://ifeelgood.club/woguxeluvavuhm42z.pdfIn PDF document text
    • https://zogoporev.weebly.com/uploads/1/3/1/3/131381602/xumesitudomoxu.pdfIn PDF document text
    • https://besiwalufeg.weebly.com/uploads/1/3/2/6/132696214/kovevulexizujorafili.pdfIn PDF document text
    • http://beririka.scienceontheweb.net/what_is_included_in_final_fantasy_xv_royal_edition.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://bozolukiket.epizy.com/cefr_levels.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/46b29c74-9157-413c-b6de-2ad5ad1d9f4a/how_to_use_dual_action_bike_pump.pdfIn PDF document text
    • http://kofupugixujodin.epizy.com/functional_grammar_and_composition.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e370fc76-8729-4b6b-a880-f5336d599fef/baby_jogger_city_mini_gt_double_weight_limit.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ceaad342-3bd4-42c6-8514-48247b8d65db/27747672762.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b9ac0237-203d-4b61-8a6d-844c1586bba0/82551004542.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a13859c1-4593-4cf5-8d0b-d0dcb7d8641c/xeseforog.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_off0000e5a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE5A7 4748 bytes
SHA-256: 77e52a3c384ea73c4ad2b2788e6d45a29090046332b32ac12033ac3cda5691ae
font_01_sfnt_off0000f5e7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF5E7 10064 bytes
SHA-256: df4757b0183e9d09d073e1b52cb8d33c6899ca2134fe70f5a9a5b9e8d374a37c