MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1055.012 Process Injection
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS platforms, indicating a link farm designed to distribute malicious content or phish users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware delivery via a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9820
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 https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d5963429c2---93839962399.pdf
- https://cornerstonelaw.eu/userfiles//file/gegav.pdf
- http://vimbark.sk/editor_uploads/files/gopol.pdf
- http://mientaytourist.com/uploads/files/68388550239.pdf
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/1609b77f203244---85813787435.pdf
- https://askopenko.com/wp-content/plugins/super-forms/uploads/php/files/ae2d837f9e727ed027684653caf6a921/7112445612.pdf
- http://fence-alarm.com/userfiles/files/70347860550.pdf
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607207c80c05a---39553767680.pdf
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/1e5c556428d5fae5cf72021344c361a8/44103259259.pdf
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090dbfbc6b9e---mijezelagogajafol.pdf
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/3u2fc46gak9q9beh5fsde5md86/lurudokezawusuworowuxa.pdf
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160c3f1c19c74c---tolexowunaxun.pdf
- http://intertexmedical.com/userfiles/files/fufatinad.pdf
- http://www.chicagoalphas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609606546a9b5---99975719518.pdf
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607a00f46a9d3---37147658537.pdf
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/m5ebdlm60d8vcjidbsoch55632/vuvur.pdf
- https://www.aceitedeoliva.com/wp-content/plugins/super-forms/uploads/php/files/b46c98f06c0574e2ae4c9ee00528060d/lememufibesi.pdf
- http://jrpst.pl/userfiles/file/madelejadarumoratevupofo.pdf
- http://www.tekkoo.net/images/library/File/24461095185.pdf
- http://alphasigmaoverseas.com/userfiles/file/64667887623.pdf
- https://cgeminfos.ma/upload/file/83778072903.pdf
- https://actorconseil.com/files/file/binaxuf.pdf
- http://therealmccoyfamilyreunion.com/clients/f/f9/f9ea119420dddc0cc5ac7622830b9f68/File/nejosanasafiriku.pdf
- https://norservis.com/files/files/41334305255.pdf
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/0d4780f6f5455a8dbf2d7acc3e71525c/62129505093.pdf
- https://syntellect.ru/Repository/file/zututedosatugopufoke.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=gene+clark+so+you+say+you+lost+your+baby
- 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_off00010688.bin9bd58b6a4d9326a225f8522b1af671c92afce6f5b46544a0d19767a1c3d1d704 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10688 | 17280 bytes |
font_01_sfnt_off00013380.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13380 | 16792 bytes |
font_02_sfnt_off00014b97.bin37282607ad7e2919e033d34a86eafd0375ba31a9e1e78f730acd600068c71792 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14B97 | 10616 bytes |
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