Malicious PDF — malware analysis report

Static analysis result for SHA-256 2dc50f9b72acb50b…

MALICIOUS

PDF

83.2 KB Created: 2021-09-02 14:20:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-14
MD5: 66fce6794a21474592ed6dc64a6d1897 SHA-1: 8965deea3b74566dd3148b862ddfc2d1552b68a7 SHA-256: 2dc50f9b72acb50bd2bbd65b5b88856da205e7b727e79d580308fc22e31341db
156 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The document functions as a link farm, directing users to numerous compromised websites and disposable hosting domains. The presence of embedded URLs and the overall structure suggest an attempt to distribute phishing content or further malware payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9951

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://pixomot.ru/uplcv?utm_term=firelite+es-200x+manual PDF link annotation
    • http://olversonfamilyreunion.org/clients/5/51/51a48c89da211807e19ed56f8a1a1822/File/zeresozamewebowojoruk.pdfIn PDF document text
    • https://inmaabiladi.com/userfiles/files/korodinik.pdfIn PDF document text
    • https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/089baabb5509fdc0a97b4b868c1c698d/4307922738.pdfIn PDF document text
    • http://studio-castiglioni.com/userfiles/files/kovosi.pdfIn PDF document text
    • http://coreaad.com/DreamDataUpload/file/92984577197.pdfIn PDF document text
    • https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/ff3b88e5dffaaac5ba676408a6576ac8/21836956961.pdfIn PDF document text
    • https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/160ad842c04dab---28478556934.pdfIn PDF document text
    • http://studiosiriosrl.it/userfiles/files/soxefil.pdfIn PDF document text
    • http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16085836b7c945---30454684899.pdfIn PDF document text
    • https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/85vdp9vrm7kjie2i1q4ncmgbgv/kanazurituvoresofitegani.pdfIn PDF document text
    • http://falconartistmanagement.com/ckfinder/userfiles/files/wevevelowijav.pdfIn PDF document text
    • http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/eb5ce78bcb957b687ed5503a163392bc/92921393060.pdfIn PDF document text
    • http://thaidicattery.com/clients/f/f7/f7b4890cfba443994123e46b8078d6bd/File/tuwunaxejujaxowakatijogul.pdfIn PDF document text
    • http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160de2f15ed7a1---31705488870.pdfIn PDF document text
    • https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/98ca155f5b2d11ed903997489f44ac4b/46654050394.pdfIn PDF document text
    • https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a183d2404c7---pumebowasewewotigiref.pdfIn PDF document text
    • http://macautemple.com/userfiles/file/72450776238.pdfIn PDF document text
    • https://banghenails.com/upload/file/65812243180.pdfIn PDF document text
    • https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/5ckuqjc0ds84ccm4457nqho3kt/31303663010.pdfIn PDF document text
    • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160dad822ece02---muforivaro.pdfIn PDF document text
    • https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/2cuj6pv61pgddlo43eoqhm2ct3/61931880636.pdfIn PDF document text
    • http://costruzionibulagna.it/userfiles/files/negunoko.pdfIn PDF document text
    • https://zlatartopalovic.rs//files/98490874001.pdfIn PDF document text
    • https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/1asrvf6sndv08748e4oqpk2ene/9623042497.pdfIn PDF document text
    • https://alkalacarservice.com/public_html/userfiles/file/38711622506.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_off0000dedc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDEDC 10604 bytes
SHA-256: d6241f8b80f93fcc0dbb6debd087f82d6eda9d874cdf912b6b5d54e8a7bc7112
font_01_sfnt_off0000f732.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF732 17784 bytes
SHA-256: 21ea4b4040df52e685782695b4ed5d89cf516457344674fb388e1ed276ac443e
font_02_sfnt_off0001256b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1256B 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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