Malicious PDF — malware analysis report

Static analysis result for SHA-256 d96bfe7c2c9f7d44…

MALICIOUS

PDF

85.1 KB Created: 2021-07-04 14:04:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-24
MD5: 8e4ad771f9885b04c55250a2ca63ae42 SHA-1: e7d16e0453fb56108584b7bea2dc6b356f52ab62 SHA-256: d96bfe7c2c9f7d44e554c1549b3703bda82cc399f729245169b4d90e8417ce7b
156 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of links pointing to various websites, many of which are hosting other PDFs. This behavior is indicative of a link farm designed to obscure the true destination or to distribute further malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution via these linked resources.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9956

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.
  • 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://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/icnvut30hvcl620a9cihunr7n5/jatoxilowemasakibikor.pdf In PDF document text
    • https://churchofgodinjamaica.org/app/webroot/files/fetikadulavevifelaminob.pdfIn PDF document text
    • http://apsencollege.org/test/fckeditor/file/sufodeg.pdfIn PDF document text
    • http://xn--80aafkqcanfpgnhbng3b5i9a.xn--p1ai/pict/file/93924505273.pdfIn PDF document text
    • https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/24115e157e1b412693139d29e33f9722/fumexefenejarekelilafoki.pdfIn PDF document text
    • http://sciattella.net/images/file/pakowolomotevini.pdfIn PDF document text
    • http://jfhconsultancy.nl/userfiles/files/reditokuxobasixakof.pdfIn PDF document text
    • http://polesprogettazioni.com/userfiles/files/mibakelulubija.pdfIn PDF document text
    • https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/384b41d3ceaeb469e4b3b53a6fac17d1/votinekewesarozewomanifod.pdfIn PDF document text
    • http://taiwanglassgroup.cn/userfiles/file/11328848133.pdfIn PDF document text
    • http://zonazero.es/userfiles/file/25528933290.pdfIn PDF document text
    • http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c90c4984495---82270985198.pdfIn PDF document text
    • http://studioassociatoemc.com/userfiles/files/repelaxen.pdfIn PDF document text
    • http://adhdesign.de/userContent/files/20210622225656-mejoralexoduwap.pdfIn PDF document text
    • https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/154996554a5bfedb8293c6180c1bc980/xagivorenurivibogaxexil.pdfIn PDF document text
    • http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/1235b447fa1c6d4072dd6fd0c98469ea/jasixavunanasunev.pdfIn PDF document text
    • https://medicinasolidale.org/wp-content/plugins/super-forms/uploads/php/files/7b235561acf4ae720c00127ef1c210d4/jubiwotasopunavoziwemetes.pdfIn PDF document text
    • https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/42d34bf270495ddfe5b24810812673d6/vujasuva.pdfIn PDF document text
    • http://ypperfect.com/ckfinder/userfiles/files/xelowimerufivipanavazuluj.pdfIn PDF document text
    • https://bangprice.com/bangprice.com/beta/cms_image/file/funakewafetejim.pdfIn PDF document text
    • http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/an72k3foc2n2o7hsi2dlj1tbr3/29220949044.pdfIn PDF document text
    • https://www.m2asolutions.com/wp-content/plugins/super-forms/uploads/php/files/5d26489779d30719082104170941feca/6483777546.pdfIn PDF document text
    • https://espaciocultivarte.com/ckfinder/userfiles/files/40880473959.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=spina+bifida+physiotherapy+management+pdfPDF 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_off0000e6e5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE6E5 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000fefc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFEFC 11228 bytes
SHA-256: 4665aea267d1c72ab29010911e099ef80dada25676d949f277c014b74a2454e1
font_02_sfnt_off000118b0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x118B0 17096 bytes
SHA-256: 926d8785ffcbecfddaa744a3a0195357aaf30ccc8b946bd3e8a92e54aeeddc45

Open this report in the interactive analyzer, or submit your own file for analysis.