Malicious PDF — malware analysis report

Static analysis result for SHA-256 e15902cffade54bd…

MALICIOUS

PDF

74.0 KB Created: 2021-02-15 12:49:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 22ee70ca82d81f6f253d0eca5f8eb793 SHA-1: fe796571f9ee6c3688fbaa436db89ad665edb3bb SHA-256: e15902cffade54bd7061e0bcca771a08ba7397c81011f7c9e1e91d5f289ae117
184 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged as malicious by multiple heuristics, including a critical alert for linking to known malicious redirector infrastructure. The ML classifier also assigned a high probability of maliciousness. The embedded URLs, such as 'https://crophysi.ru/strik?utm_term=does+costco+have+strollers', indicate a phishing or malware distribution attempt. No scripts were extracted, but the PDF structure itself facilitates redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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 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://crophysi.ru/strik?utm_term=does+costco+have+strollers In PDF document text
    • https://vopesowe.weebly.com/uploads/1/3/4/6/134638419/rasojegewexoxikelon.pdfIn PDF document text
    • http://snapchat-alert.com/355592519553ccpp.pdfIn PDF document text
    • http://lienforkid.com/milk_and_honey_by_rupi_kaurf4jig.pdfIn PDF document text
    • https://jurefuzosapob.weebly.com/uploads/1/3/4/9/134901670/luzobabajavubazedab.pdfIn PDF document text
    • https://goxatuzibifonev.weebly.com/uploads/1/3/0/7/130739188/duvotegowelit.pdfIn PDF document text
    • https://kepubewi.weebly.com/uploads/1/3/6/0/136095452/43f5b765.pdfIn PDF document text
    • https://gokasesebigi.weebly.com/uploads/1/3/3/9/133986942/7c998c096bc86.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4406482/normal_5fdbbe29d0b24.pdfIn PDF document text
    • http://betflixguvenilirmi.com/cirrus_vision_sf50_pilot_manual4fcvd.pdfIn PDF document text
    • http://lnstagramcopyrigtservice.com/nikah_nama_pakistan20vi0.pdfIn PDF document text
    • https://verevivomilob.weebly.com/uploads/1/3/0/7/130738769/1335137.pdfIn PDF document text
    • http://vidclips.design/zemozakamepeduguxijxkcq4.pdfIn PDF document text
    • http://1xbet-regi.site/depewaden7f8wj.pdfIn PDF document text
    • http://it50save.info/tageda76dh5.pdfIn PDF document text
    • https://xonutadeb.weebly.com/uploads/1/3/0/7/130775355/sizatetizepuvo_gafapose_gotituv_xibajo.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/telasebisu/rulizijiwupoporavesube.pdfIn PDF document text
    • https://s3.amazonaws.com/faduxodiwo/12394793859.pdfIn PDF document text
    • https://s3.amazonaws.com/nunakixuma/frontline_commando_2_mod_apk_unlimited_everything.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_off0000e5a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE5A1 4944 bytes
SHA-256: 4b7ea139ec5c730f858cee6590ff3d4a108ce6df20932798bdee6632cb95a661
font_01_sfnt_off0000f67b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF67B 10740 bytes
SHA-256: b8e27992718738d1ff9682c20735f9b733accaca12046a3a048619444e6beb50

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