MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The 'SE_BROWSER_INSTALL_LURE' heuristic suggests the document attempts to trick the user into installing a browser extension or update. The numerous embedded URLs, many pointing to compromised CMS upload storage, further support a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 7
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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://cald-lighting.com/wp-content/plugins/super-forms/uploads/php/files/302eab61fc2158d504331e496deee68e/50102418756.pdf
- https://teddybestore.it/file/1429808667.pdf
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a6be87d7583---11689033894.pdf
- http://mai-colle.jp/userfiles/file/17262585851.pdf
- http://guojingmall.com/userfiles/file///larozenugaga.pdf
- https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/dc9714ab9c1126e92c8ccf9173fd7a4e/fulesaxilosapen.pdf
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/61e1007cc7aa4f4601346ac5c2ee734c/jekodisadekepowa.pdf
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a025978906d---lowafefutefewejud.pdf
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c09ff97a8c0---bogizusataropubanomawe.pdf
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160934359994c6---76549067064.pdf
- http://greatnice.club/updatefiles/file/fexenirefolexenitowifi.pdf
- http://contactconfiance.com/files/files/40975979442.pdf
- https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/0005a5e56d8b8705f7bde58750cdde54/45635582604.pdf
- http://rld-carbon.ru/file/megiti.pdf
- https://nada70.org/userfiles/file/33836222748.pdf
- https://sheenabusesandcoaches.com/userfiles/file/fopitupezavivawe.pdf
- http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160827af73fd41---4958080890.pdf
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/1607adf27c1b8c---vuxelajotagenapogotomez.pdf
- http://netmutum.com/userfiles/file/pasavotejinelaw.pdf
- http://bezagsecurity.cz/userfiles/93882749942.pdf
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a5ccbb1df68---7048686893.pdf
- http://www.heksan.com.pl/file/zikizapuxebos.pdf
- http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609dd761f0b66---71012100522.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=bookstores+by+me
- 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_off00010254.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10254 | 16792 bytes |
font_01_sfnt_off00011a6b.bin01239c06f50a1152f30310f8157cc110af5de7aaf42e4ec7b7e3a8836bb422a6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A6B | 10264 bytes |
font_02_sfnt_off000131aa.bin3ea98c7f2544836130ad68120ad7edce14c2496d40389868601dc506249c575d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131AA | 17624 bytes |
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