MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous links pointing to compromised WordPress sites, suggesting a phishing or malware distribution campaign. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a link farm on disposable hosting, and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' specifically flags links to compromised WordPress upload storage. ClamAV detection as 'Pdf.Phishing.Trojan' further supports the malicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF 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.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a91d829240a---19300440535.pdf
- https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/410a5941360d7ca6ec8ff01e3155b01a/dojajawasisikumomimix.pdf
- https://dadrarad.ro/userfiles/file/26844629873.pdf
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c75872f40f---taropunajeg.pdf
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/7dd9dfc63ee26a28a24076f6b728b72d/jenenutonilagozomoruxa.pdf
- https://angelsstaff.com/uploads/file/pekizufigujepojemate.pdf
- https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/7bca3bf042bcffa99bf28859f5e4cb9a/netakigusivorejabemulo.pdf
- http://osc-pribor.ru/products_pictures/file/52748890465.pdf
- http://akinmedical.com/uploads/file/16895143216.pdf
- http://www.findvoters.com/userfiles/file/nubisosekowavenezigowi.pdf
- http://donauwell.at/userfiles/file/14547152284.pdf
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/arq9pf60kdfs4olq6f588abgnh/63644199875.pdf
- https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/77c43d206164a4f882dd4f6756efd44e/29727896415.pdf
- https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/39679033130548b2eb08e920feedd4a2/papudiman.pdf
- https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/ddaq75kr9sd3io5vfv2dtv7eas/gefonesoxemenaxov.pdf
- https://ltgtrends.com/wp-content/plugins/super-forms/uploads/php/files/5a9d675f4009afc0186d5daa7660b209/20915891937.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160891dcff2832---vidor.pdf
- https://facades-et-traditions.com/actualites/file/nelugunuvasigutifugetino.pdf
- http://zeminyerkaplama.com/upload/ckfinder/files/17876066982.pdf
- http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609422bbdfd7c---39854237777.pdf
- https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/752e4862c9ed7324ec3bbe904b7bfd8e/kulujegofiwavokumumobin.pdf
- https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/6915dd5237d5b4343695bb061469f9f6/mubujokozofedevaviteri.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=fasten+clothes+meaning
- 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.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f888.bin6b504f841d349f81e629d522a63d729eb72b162174dc3d2530667ff10c9149dc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF888 | 17280 bytes |
font_01_sfnt_off00012593.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12593 | 16792 bytes |
font_02_sfnt_off00013daa.bin401b6398cade760d75e12755d2829dea5770621c03b41baea5b77c4b7a706e24 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DAA | 10552 bytes |
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