Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa825dd744d51771…

MALICIOUS

PDF

307.4 KB Created: 2022-02-12 01:15:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-07
MD5: 98c94c731f900f5928df0a959bd4b7d6 SHA-1: 768506739b4c692476cc837eae703062a578c1ae SHA-256: aa825dd744d5177108ef4a26c0c0651ca9d81af3128dd9cd55ab349f0890fdc3
142 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.8128

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
  • 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.
  • SEO-redirector lure link (multi-word utm_term) low PDF_SEO_UTM_REDIRECTOR_LINK
    PDF contains a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the search-keyword gateway used by the 'free document download' phishing family. Surfaced as an IOC; on its own this is a low-confidence signal.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://ragaz.co.za/XSRYdR1H?utm_term=whatsapp+gold++apk+2018 PDF link annotation
    • https://quanghuydulich.vn/img_duhoc/files/30350155148.pdfIn PDF document text
    • http://reklamnizbozi.cz/data/upload/files/54020640261.pdfIn PDF document text
    • http://jnmindia.com/outscapes/admin/ckeditor/uploads/ck/files/tanezekama.pdfIn PDF document text
    • http://art-wonders.com/ckeditor/ckfinder/core/connector/php/uploads/files/dubemiwirugap.pdfIn PDF document text
    • http://rajskiewakacje.pl/userfiles/file/wupitefogorumo.pdfIn PDF document text
    • https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/1617b45a047e56---69862861185.pdfIn PDF document text
    • https://grdr.org/paidel/ckfinder/userfiles/files/63471124554.pdfIn PDF document text
    • http://agriturismolionsfarm.it/userfiles/files/naniga.pdfIn PDF document text
    • https://www.micron21.com/application/third_party/ckfinder/userfiles/files/5546050112.pdfIn PDF document text
    • http://aadcnfgl.netsociality.com/upload/files/31985595766.pdfIn PDF document text
    • https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/16316005f61820662929e9353e82fae5/40687916001.pdfIn PDF document text
    • https://classconnbio.com/img-jacson/files/pidofuroxotovivuge.pdfIn PDF document text
    • http://uat2.hkha.com.hk/ckfinder/userfiles/files/tolafijepazerel.pdfIn PDF document text
    • http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/160dd840e4bcfe---83163709482.pdfIn PDF document text
    • http://longvu.vn/Images_upload/files/zerivuruvituxedopedimegu.pdfIn PDF document text
    • http://isagenixmakessense.com/ckfinder/userfiles/files/gidorafavojulin.pdfIn PDF document text
    • http://everestlodgelukla.com/userfiles/file/juvusopoji.pdfIn PDF document text
    • http://takeacode.net/user/d41d8cd98f00b204e9800998ecf8427e/file/bijefib.pdfIn PDF document text
    • http://bf4.nim.ru/userfiles/files/kaxajoke.pdfIn PDF document text
    • http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/16184f00e282bf---6840052781.pdfIn PDF document text
    • http://banderlogclub.ru/kcfinder/upload/files/dakumuzub.pdfIn PDF document text
    • https://skidnapping.com/uploadfiles/files/26576090988.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_off00045c13.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x45C13 19152 bytes
SHA-256: c84e1d59c386cc72caa377244c2d00c7fa7a2a7717e4755c293e9f7d54d399f7
font_01_sfnt_off00048e57.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x48E57 10828 bytes
SHA-256: 4b8ae40d4e23c5fcabe2c50f96444ca8d74aaa0a8e9684888af4053ef4f162bb
font_02_sfnt_off0004a75c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4A75C 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9

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