MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with multiple URLs pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs likely serve as lures to external malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ded79cf11e---jogivavakugavuzovudaj.pdf
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a256503195---gufusexup.pdf
- http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c13fd97177f---70997125413.pdf
- https://siam-royal-view.ru/data/files/sigajefewajanako.pdf
- https://twr1115.net/files/fckeditor/file/sazatiluderapiriwuzar.pdf
- http://rzn-house.ru/upload/file/83651946314.pdf
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/f9cbec1ce6e24ed5e546f8c584c49ec4/9021650123.pdf
- http://jngf.cn/files/file/81822586764.pdf
- http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb24721c86a---19020219039.pdf
- https://emilline.dk/ckfinder/userfiles/files/80347977526.pdf
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a9f3003254a---13694855276.pdf
- https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/ti4s701mlmt05pa1sdie2ifc08/jexebe.pdf
- https://kodcomputers.ro/2664/uploads/85512762677.pdf
- https://plswa.com/wp-content/plugins/super-forms/uploads/php/files/2c5ec2a8984053338538715276ac5088/nokedipavu.pdf
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160bbb8c95a20b---68044326857.pdf
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/f6f7c50decef2adb2e1f4861b0dca24a/27951739132.pdf
- http://malbreil.com/userfiles/file/jaxume.pdf
- https://genesislighting.net/wp-content/plugins/super-forms/uploads/php/files/0ed983c19860e176f271835b1dbd0366/wewomeweg.pdf
- https://watfordfairtrade.org/app/webroot/img/files/dogumediwofetekimafupuf.pdf
- https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160ac0881d173b---riziwobo.pdf
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/e2a9c87f732901964bf6e07c177a6041/farabibabejegulifisomo.pdf
- https://seerupit.dk/assens/file/vezutebubiganesarigosana.pdf
- http://jatyn.cn/upfiles/202105/file/1620759880.pdf
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160856cc8c4bbb---56746937652.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=whom+do+you+live+with+answer
- 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_off0000f911.binc55a0edb06bfb5748dc58b684cbb08ffd7a0494eb9dd9cfa311736e57e626134 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF911 | 17068 bytes |
font_01_sfnt_off000125a4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125A4 | 16792 bytes |
font_02_sfnt_off00013dbb.bind39f9856c93ef4712be252ab75daf91aa4e4935c38ad9b1bee7af31b7ed0fd06 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DBB | 10872 bytes |
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