Malicious PDF — malware analysis report

Static analysis result for SHA-256 9422629d3297f2b2…

MALICIOUS

PDF

68.7 KB Created: 2021-09-30 19:55:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-25
MD5: 83ff9b9962d2af9b1611b75c39a16e1c SHA-1: 4dbf7c78a214d3200c3a985451cdb83308b85447 SHA-256: 9422629d3297f2b2ba75052817f0dfce21990c14ec9771c1d964f284a15969e7
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9965

Heuristics 5

  • 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 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://tahitotfaluovodak.hu/ckfinder/userfiles/files/56420155554.pdf In PDF document text
    • http://www.firengo.com/userfiles/files/53507953900.pdfIn PDF document text
    • http://rsentco.com/upload/file/22688507882.pdfIn PDF document text
    • http://euroear.eu/ckfinder/userfiles/files/66956576290.pdfIn PDF document text
    • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1614bd40ecdd3a---99210243271.pdfIn PDF document text
    • https://pima-alarms.eu/slicice/file/somixun.pdfIn PDF document text
    • http://rogersdesignhouse.com/uploads/files/74196805545.pdfIn PDF document text
    • https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613173e25e30b---kofixavobiteva.pdfIn PDF document text
    • http://dermatologomiguelgallego.com/miguel/fck/file/zevuxaruteposunese.pdfIn PDF document text
    • http://tizianaiberti.it/userfiles/files/tabuxadu.pdfIn PDF document text
    • http://puntolinea.org/userfiles/files/23045548287.pdfIn PDF document text
    • http://nenkin-t.com/upload_img/ck/files/gewetuzatoworekifopemez.pdfIn PDF document text
    • http://rana-international.com/userfiles/files/70713172743.pdfIn PDF document text
    • https://www.highlandernepal.com/assets/ckfinder/userfiles/files/17887634477.pdfIn PDF document text
    • https://przyklejki.pl/userfiles/zuvuwidijisibob.pdfIn PDF document text
    • http://findmealocalpainter.com/insurazon/admin/userfiles/file/juzunimuviverukelukad.pdfIn PDF document text
    • http://www.photonics-science.com/ckfinder/userfiles/files/mizosizuvawozusuwa.pdfIn PDF document text
    • http://paraleumarian.ro/app/webroot/files/userfiles/files/tigarijorederujiv.pdfIn PDF document text
    • https://dsverano.com/UserFiles/File/febokerujegigexej.pdfIn PDF document text
    • http://bayernglobal.de/userVZ/file/pilisozedosanuje.pdfIn PDF document text
    • http://detskaoptika.cz/ckfinder/userfiles/files/60605519814.pdfIn PDF document text
    • https://granitnet.hu/editor_up/vozavowowawirobexixiris.pdfIn PDF document text
    • http://pho32shabu.com/uploads/files/zopilamure.pdfIn PDF document text
    • http://apismorava.eu/docs/lupekut.pdfIn PDF document text
    • http://xn--72c7caerxx0d3a9eve.com/UserFiles/File/tikujidami.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=watch+fangirl+online+freePDF link annotation
    • 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_off0000b14a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB14A 14420 bytes
SHA-256: 0c72fd847116b31606166f168d4772cc732527064360b0778b08cdcfd220dce1
font_01_sfnt_off0000d568.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD568 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0000ed7f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED7F 10440 bytes
SHA-256: 700624b3382103a48f223efcfb48eb506161c3d5ac7c05aa964098b89f27963b

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