Malicious PDF — malware analysis report

Static analysis result for SHA-256 22b4f28075b5021f…

MALICIOUS

PDF

80.1 KB Created: 2022-04-17 12:51:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-02
MD5: f14dbc0d93d5c999621bcabce93a6062 SHA-1: 972b29aaa968b82649e1f35efca3817180095c6d SHA-256: 22b4f28075b5021f9363397975f7af216c3bc529de3521dc82a92cf8dcd65725
216 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9975

Heuristics 7

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://mifuj.co.za/YmrXLWy8?keyword=graco%20crib%20mattress%20size PDF link annotation
    • http://labonguyenhoang.com/img-chamthi/files/3239718984.pdfIn PDF document text
    • http://hanlacsclub.com/ckupload/files/majamolajepafu.pdfIn PDF document text
    • http://siamsnail.com/media/userfiles/files/96093000599.pdfIn PDF document text
    • https://jegesasep.weebly.com/uploads/1/3/4/5/134502647/fezutabuvezog.pdfIn PDF document text
    • https://www.smartfutureexpo.com/ckfinder/userfiles/files/lemudunokoni.pdfIn PDF document text
    • https://kuvopesi.weebly.com/uploads/1/3/2/3/132303138/kesivasaxadolifeg.pdfIn PDF document text
    • https://ribobuwatefinu.weebly.com/uploads/1/3/4/4/134469587/d23975d455a.pdfIn PDF document text
    • https://pafuxasakilufa.weebly.com/uploads/1/3/5/3/135327400/79b9f7a31a4.pdfIn PDF document text
    • https://tajaleder.weebly.com/uploads/1/3/5/3/135320318/1795285.pdfIn PDF document text
    • https://nokuzase.weebly.com/uploads/1/3/4/7/134765685/9740475.pdfIn PDF document text
    • https://jopogerepoji.weebly.com/uploads/1/3/5/3/135307159/wemazesigo-gubejozirox-kazovawi-fefasopakegigix.pdfIn PDF document text
    • https://mawakigimewu.weebly.com/uploads/1/3/4/8/134875352/1b00f50819.pdfIn PDF document text
    • https://apz-arte.com/ckfinder/userfiles/files/xibamopo.pdfIn PDF document text
    • http://brilspa.ro/userfiles/file///lovigitamaroxosugefatonap.pdfIn PDF document text
    • https://jitedutakawu.weebly.com/uploads/1/3/4/7/134712839/89739a0a6e1.pdfIn PDF document text
    • http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/162006f945687a---mokovomedegowim.pdfIn PDF document text
    • http://tlbafw.com/include/upload/gegefepuwazop.pdfIn PDF document text
    • http://daechienglishpark.com/ckfinder/userfiles/files/59256534502.pdfIn PDF document text
    • https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/dd6837a56e1aec6ba7923382417f47e4/nuvasakobunekenalinavebul.pdfIn PDF document text
    • http://www.tivafa.hu/upload/file/gurafiwokunulavazogutux.pdfIn PDF document text
    • http://la-traverse.biz/kcfinder/upload/files/2670543450.pdfIn PDF document text
    • https://sawolopu.weebly.com/uploads/1/3/6/0/136049845/7363779.pdfIn PDF document text
    • https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/5tb3c5qj46et6vk7t1movvf0vr/belotademanoxunat.pdfIn PDF document text
    • https://remofixar.weebly.com/uploads/1/3/0/7/130776049/aceac32.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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d1c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD1C0 18064 bytes
SHA-256: 9d9ed0a1486af9ae2eac40e8c61856c90d03c4cf1df90a7432c195468e5787ee
font_01_sfnt_off0001013a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1013A 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off00011951.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11951 10480 bytes
SHA-256: 05fa47b29fb8b39baea938f1d7cb5338e0d5e732ce1c60fa532b8474a90beee4