Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc219fb27e83443b…

MALICIOUS

PDF

99.2 KB Created: 2021-06-29 09:28:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 3bc72fe1e9eb8624ae4ee170821ca4f9 SHA-1: a807d927f2431a0d1a7e6210e374a807ea291462 SHA-256: cc219fb27e83443bbde8c97e568fc699aa94619f1292cfb65e27125bf9b91e4a
156 Risk Score

Malware Insights

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

The PDF contains a link farm pointing to multiple distinct hosts, many of which appear to be compromised WordPress sites. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The presence of numerous links on disposable or compromised hosting reinforces this assessment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9936

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 http://lifemartrealestateconnect.com/wp-content/plugins/super-forms/uploads/php/files/a82efp2u7b204lj3ar43892v75/xalesavexivolabevonus.pdf
    • https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/ca77bcaecd0c1aed5de08db7e85f1f10/64994688823.pdf
    • http://lroundup.com/clients/d/d7/d7466da0ad72d96b64793f89c518a0d9/File/powudexanezosamop.pdf
    • http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/160943f7847af3---bogevogiki.pdf
    • https://northstarexecutivesearch.com/wp-content/plugins/super-forms/uploads/php/files/8f065e3db1ceff8f926c563b4b0cb859/34551125936.pdf
    • https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/75be2be5f84d795982d7457cfc6500f1/12755215628.pdf
    • https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/dd297b1324cc0975a894131239c95837/2474427597.pdf
    • https://syntellect.ru/Repository/file/punutotulakavepusifude.pdf
    • http://citra.cl/userfiles/file/42839957454.pdf
    • https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/f2nbhec4ekret8c5t1n8e00aig/donutabatudevixeleg.pdf
    • http://zae.me/datafiles/file/30362131855.pdf
    • http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf137a8e221---48327069538.pdf
    • https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/e3vl9p8l2pp5pfoupuq7nk8l04/vugododu.pdf
    • https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/1vhi1kr5n9e2i7i9f9l7h6khp9/36776315334.pdf
    • https://bienenaktuell.com/sites/bienenaktuell.com/files/file/miwalezenuk.pdf
    • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b47cee61470---foxodibifu.pdf
    • https://aimara-bg.com/userfiles/file/93408639112.pdf
    • http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1607947f0273e6---jekagerazopiroti.pdf
    • http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d6f40400eeb---tosiletusozabavimuji.pdf
    • http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083fe4ec2d61---dogirorefatebiduzutiw.pdf
    • https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/6i0dsiqssv6jt28pj92v8313eh/14755891567.pdf
    • https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/9dfe78bc0b85035e7f24cb76d9aa0ab2/pugovabudeme.pdf
    • http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085c3160010c---24861623138.pdf
    • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=what+does+the+bible+say+about+revealing+secrets
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000120fa.bin
0979d501f19c88be21bb0efd9c487198f59a62a02d828fb047f7c57b8887e4ec		 pdf-font-stream PDF embedded font (sfnt) at offset 0x120FA 11064 bytes
font_01_sfnt_off00013a85.bin
9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13A85 16792 bytes
font_02_sfnt_off00015297.bin
13780db4e451ad0bb6f41efb38b549d4b5733e236f9dbcc96787ee83a75a4407		 pdf-font-stream PDF embedded font (sfnt) at offset 0x15297 17164 bytes

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