Malicious PDF — malware analysis report

Static analysis result for SHA-256 215eab6590999184…

MALICIOUS

PDF

81.6 KB Created: 2021-09-21 14:17:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-23
MD5: 3baf28a57fb6cf1033f5d09093b3e360 SHA-1: 47afba4ac333d028af3acba72bc0686a4293ffd5 SHA-256: 215eab659099918483a48cefb7797416a305685c40e9827e723fbdb52d775104
164 Risk Score

Malware Insights

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

The PDF contains numerous external links, many pointing to compromised WordPress sites, suggesting a phishing or malware distribution attempt. The presence of a 'download' button lure further supports this. ClamAV detection and ML classification confirm the malicious nature of the file, likely serving as a lure to download further payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9917

Heuristics 7

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://philabc.ru/uplcv?utm_term=call+of+duty+download+ppsspp PDF link annotation
    • http://jiehuist.com/userfiles/files/dinosexe.pdfIn PDF document text
    • https://inprovitargentina.com/ckfinder/userfiles/files/xamiberevufekajaf.pdfIn PDF document text
    • http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131ab2f6eecc---kobiresibasuneduke.pdfIn PDF document text
    • http://gamjagolla.com/uploads/files/60490411171.pdfIn PDF document text
    • https://podimercrm.com/img/files/48355885992.pdfIn PDF document text
    • http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614555cf0a41f---20343235303.pdfIn PDF document text
    • http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16132bb792c667---gemevegawulojipimesiniwux.pdfIn PDF document text
    • http://vivatbacchus.hu/files/file/wivafegufijex.pdfIn PDF document text
    • http://tamlaproject.com/userData/board/file/55003189001.pdfIn PDF document text
    • http://www.beverburcht.nl/upload/files/59934608123.pdfIn PDF document text
    • http://clinicaveterinariasangiacomo.it/userfiles/files/zevolibi.pdfIn PDF document text
    • http://csc021.com/userfiles/file/20210919052202_2gho2f.pdfIn PDF document text
    • http://hotelalbicia.com/userfiles/file/12468065378.pdfIn PDF document text
    • https://1877painters.com/FCKeditor/file/11559709289.pdfIn PDF document text
    • http://mwflower.com/upimagesfile///zowobefefevov.pdfIn PDF document text
    • https://feltshoe.com/userfiles/file/75550477705.pdfIn PDF document text
    • https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1614639c1e9b20---55207023102.pdfIn PDF document text
    • http://mdsalon.ru/img/lib/file/deporutorusivo.pdfIn PDF document text
    • https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614020bdb411f---91778569873.pdfIn PDF document text
    • https://artbynela.com/uploads/file/94143085818.pdfIn PDF document text
    • http://huile-de-nigelle.info/userfiles/file/ludotixixolitumonejuwub.pdfIn PDF document text
    • http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139f4e8df119---79993423660.pdfIn PDF document text
    • http://zespolbahamas.pl/zdjecia/file/nulafovinepi.pdfIn PDF document text
    • http://theurbanbazzaar.com/userfiles/file/10443615011.pdfIn PDF document text
    • http://travelport.pl/userfiles/file/bosazofejopijoji.pdfIn PDF document text
    • https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/ed750013b599d1fdeb6dc44c383bbc09/93018132241.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_off0000da91.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA91 17572 bytes
SHA-256: 300534c5e98c8672eb075af368ef07100cfe40b01ae2ca509edd6ed9ef1f8bf0
font_01_sfnt_off00010837.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10837 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0001204e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1204E 10496 bytes
SHA-256: d38b2dbff0d3a9b7653933db9026b9c78dedf119737329eea34dd8dd452bf83f

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