Malicious PDF — malware analysis report

Static analysis result for SHA-256 a5076727e4ee0a0a…

MALICIOUS

PDF

62.3 KB Created: 2021-09-01 04:05:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-12
MD5: 7ee154a56abaac686c07166777f458cb SHA-1: cc2eee75e0c4751dd461c5ade085b9962384f2ff SHA-256: a5076727e4ee0a0a5a49e58cb39eb36c748f06090c31c675e2f2dd5f38d55cc4
132 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded JavaScript and multiple external URIs, including links to compromised WordPress upload storage and disposable hosting. The ClamAV detection as 'Pdf.Phishing.Trojan' strongly suggests a phishing or malware delivery intent. The embedded JavaScript likely facilitates the redirection or execution of further malicious content.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3485

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
  • 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
  • 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://branchennachweis.eu/userfiles/file/vikovufuwavizimipu.pdf In PDF document text
    • http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/160bb9a5180d5d---32554650767.pdfIn PDF document text
    • http://ivepe-elearning.gr/assets/UserFiles/mainHome/file/rowalugogaga.pdfIn PDF document text
    • http://dabbleanddesign.com/clients/c/c6/c60e280709801842a26e47e23f21f170/File/66467088182.pdfIn PDF document text
    • https://pima-alarms.rs/slicice/file/wavegebor.pdfIn PDF document text
    • http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607ebabe646f5---zenumokozeguriwekatof.pdfIn PDF document text
    • https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/ef35b7cb7cf0ddc834cd71344427bf10/tejokimobaxozi.pdfIn PDF document text
    • http://fisioterapiasuzzara.it/userfiles/files/29600764150.pdfIn PDF document text
    • http://cbwmd.com/uploads/Files/noxobobujigazufugo.pdfIn PDF document text
    • http://netinflux.net/userfiles/file/91857788409.pdfIn PDF document text
    • https://maxlinder.com/admin/assets/ckfinder/userfiles/files/dezezivotogukubolas.pdfIn PDF document text
    • https://tamphuctriland.vn/upload/files/pijejidudinofurizuzi.pdfIn PDF document text
    • https://centrobrands.com/wp-content/plugins/super-forms/uploads/php/files/d90e9910e05a158c321a03f99e1bc0a9/bufigebetazifoxo.pdfIn PDF document text
    • https://7mark3t2-7aya.com/contents/files/fewafe.pdfIn PDF document text
    • http://nzmbc1611.com/clients/e/e6/e6eb4f38db7021b04b945082fca6026d/File/8437360965.pdfIn PDF document text
    • https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/160e794d642520---44506509314.pdfIn PDF document text
    • http://okna-kurska.ru/page_edit/_samples/userfiles/files/tewibawusubutovoxa.pdfIn PDF document text
    • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/161217911de7ca---31438112212.pdfIn PDF document text
    • http://www.peretprod.ro/content-images/file/wejavigadolumexaf.pdfIn PDF document text
    • https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160966d6569fc3---kojomufotefowukona.pdfIn PDF document text
    • https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7ab7c2198---98230465888.pdfIn PDF document text
    • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608651cb03b99---lojorulosetujegupatizoj.pdfIn PDF document text
    • https://sayurhijau.com/contents//files/12902964981.pdfIn PDF document text
    • http://ferramentabelleggia.it/public/file/juxomeroponut.pdfIn PDF document text
    • http://motoren-adachi.com/js/upload/files/sanigotipuwewalirinom.pdfIn PDF document text
    • https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/c3o9drs0ha9kq2r6rpjfbpl0mc/tovowemaxoxumisar.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+plug+in+ethernet+cable+to+pcPDF link annotation

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