Malicious PDF — malware analysis report

Static analysis result for SHA-256 9f46580f1d246af9…

MALICIOUS

PDF

87.0 KB Created: 2021-06-08 19:25:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-12
MD5: dd4dded7caac74342537f79c0ea34aee SHA-1: 24e48f51bb50397e8bd03b4304f20ccf0670cd22 SHA-256: 9f46580f1d246af9e0cbfd0dec6597623148e5de0dccfe50daa886150bf49e97
164 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

This PDF contains embedded JavaScript and numerous external links, many pointing to compromised websites or link farms. The document body, though malformed, suggests a lure related to 'Aladdin full movie tamilrockers', likely intended to drive traffic to malicious sites. The presence of embedded JavaScript and the overall structure strongly indicate an attempt to exploit users, potentially for phishing or to download further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 7

  • 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 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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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://nomylo.ru/uplcv?utm_term=aladdin+full+movie+tamilrockers PDF link annotation
    • https://atamergranit.com/userfiles/file/zexewefizizaroda.pdfIn PDF document text
    • http://taketty.xyz/js/ckfinder/userfiles/files/gofonumofobirawexukekinin.pdfIn PDF document text
    • https://wkd-uk.com/wp-content/plugins/super-forms/uploads/php/files/30d2db29d2f737bcbb760c158a74985e/47918726031.pdfIn PDF document text
    • http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1677c3dce5---jetasuliwiwukakinufof.pdfIn PDF document text
    • http://peaceinsrilanka.lk/userfiles/file/vafuzi.pdfIn PDF document text
    • http://infinity-pro.ru/userfiles/file/38994911397.pdfIn PDF document text
    • http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f504b9236c---ropafezakasuzetaluzigon.pdfIn PDF document text
    • https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/a5c8ec54f2ba61fb958c87b7798d5724/vanotifupigip.pdfIn PDF document text
    • http://atek-ent.com/upload/file/fudugegopidapitokeger.pdfIn PDF document text
    • https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ab8e8a48208---kuwonukezowoba.pdfIn PDF document text
    • http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bc2eac99158---besikeg.pdfIn PDF document text
    • https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/57bdb36be4f3df86c11bbd76e4ae6bcc/21847093642.pdfIn PDF document text
    • https://archltginc.com/wp-content/plugins/super-forms/uploads/php/files/62f95b90c6f38b5684444cff1a78d366/momade.pdfIn PDF document text
    • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160abfd29790dd---lurifuzegofovi.pdfIn PDF document text
    • http://delawaretravelmedicine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dce233bdee---basivitunigutu.pdfIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000f2da.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0xF2DA 11728 bytes
SHA-256: 314142d04ab505c37e6c62d83f5b486de0ff2a687a3a06677dc7f07b1f68a232
font_00_sfnt_off0000e0f4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0F4 5280 bytes
SHA-256: d2225dcb14cadfa1792b067ff9042f3c66eeb4cf7d97cfdfa7941e29b797bbf4
font_02_sfnt_off00011039.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11039 11912 bytes
SHA-256: 055be7438f8152136e189c7d6bf67045eb72bfc2d8c406e458c2794add96c667
font_03_sfnt_off000138f7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x138F7 16296 bytes
SHA-256: 15128285344048d76b584a6587ab2ccb2c75eee889948d4c665368cae9e92c8f

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