PDF malware analysis — malicious · 9593737268b68939

MALICIOUS

PDF

261.6 KB Created: 2021-09-06 03:27:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-11

MD5: 8f796b3fb014dd74018e48b79a077f56 SHA-1: 1bf1eec8fdddae6d9977d4be56f17a0b35cb7761 SHA-256: 9593737268b68939dfc90bdb19a67ad179bc5d19841386bde09928cb34d7a859

134 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The ML classifier and ClamAV detection strongly indicate malicious intent, classifying this PDF as a phishing trojan. The document contains urgency language, suggesting a lure to trick users into downloading the malicious payload. While no scripts were directly extracted, the PDF structure and embedded URLs point to a phishing campaign that likely leverages compromised websites to host malicious files.

Machine Learning

Nyx PDF Classifier malicious score 0.9757

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.
Urgency / deadline lure low SE_URGENCY_LURE

Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/3f934abd3573df9a228183955fcca9df/julopufavofasada.pdf In PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608969b3a2901---98040498877.pdfIn PDF document text
- http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607e0e762efe5---92824831412.pdfIn PDF document text
- http://chinajnbt.com/images/upload/File/86862626725.pdfIn PDF document text
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160704d4c77c1e---putiropopoxe.pdfIn PDF document text
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/beprpskv1fvfoo8779qonftj3d/mufugezojuwugakisuxoruba.pdfIn PDF document text
- https://purmoradiatoriai.lt/images/files/21614498369.pdfIn PDF document text
- http://pekingtogo.com/uploads/files/82756465370.pdfIn PDF document text
- http://lubrifianti-auto.ro/files/file/34767226638.pdfIn PDF document text
- http://roycraft.ca/userfiles/file/bubekuxiwuwer.pdfIn PDF document text
- http://coinproject.com/userfiles/image/file/99768809432.pdfIn PDF document text
- http://stringquartet.biz/web/images/fck/file/80322663146.pdfIn PDF document text
- https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8e883cf8cd---15271178913.pdfIn PDF document text
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/84f0abd6949b8432a0e35e5d797467c6/17293652394.pdfIn PDF document text
- http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/sv8d26roj6alpm419vci7nc8km/72657924953.pdfIn PDF document text
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/bd92d6f598cf851616d71d10783c0fba/gofuvezonivuxagekuwixi.pdfIn PDF document text
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092e8951c2b2---3585164566.pdfIn PDF document text
- https://riolospettacoli.it/filesUploads/file/37325772037.pdfIn PDF document text
- http://manu-transport.com/documents/file/kewajuvapamalokud.pdfIn PDF document text
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/4th43okn45qnfbu9jgiffa9ong/binepisefezagob.pdfIn PDF document text
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d2b879680a3---reregejelu.pdfIn PDF document text
- http://maysoi.com/hinhanh_fckeditor/file/70174462499.pdfIn PDF document text
- https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160771c79bfe28---pisotak.pdfIn PDF document text
- http://broorybulldogs.com/clients/33993/File/fikejoxivabokomunadu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=krautkramer+mic+10+manualPDF 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.

Filename	Kind	Source	Size
`font_00_sfnt_off00039e32.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x39E32	21268 bytes
SHA-256: `29b3dc2890c54ff23b5f46aee7dad2d29f3b60811fd8ae025fb6de9308813be1`
`font_01_sfnt_off0003d5d7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3D5D7	10460 bytes
SHA-256: `d8dce69bd3416b4b7f7c66f9802293f9d751e7ca538f3ad9bea5722f2e69ca43`
`font_02_sfnt_off0003ed9d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3ED9D	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`

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