MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document contains embedded JavaScript and multiple URLs, many of which point to compromised WordPress sites. The heuristic 'SE_REMOTE_SUPPORT_LURE' indicates the document likely instructs the user to install or connect with a remote support tool, a common tactic for social engineering attacks. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to facilitate further compromise or data theft.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 8
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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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Remote-support tool lure high SE_REMOTE_SUPPORT_LUREDocument instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1613c9db302ce7---13853641126.pdf
- https://semagro-msw.ru/pics/images/file/sofawilelikozavirujupali.pdf
- http://izhar-energy.com/userfiles/file/84882434417.pdf
- http://indyztyle.com/ckfinder/userfiles/files/tarosatanixubolalekotog.pdf
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/1612ef1b800cb5---49548003071.pdf
- http://gyn-ordi.at/myPix/file/wotetoxakemupotunid.pdf
- http://orvositudasbazis.eu/images/upload/file/84916128953.pdf
- http://kleinschadenexpert.com/userfiles/file/tutoregizilopapunevitew.pdf
- http://dentalcenterstudio.it/userfiles/files/ganez.pdf
- https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/6caf780eb04bb954cba2ae6b6b82c614/kejujemag.pdf
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/2df257810421c578e7859107c500721f/49343310543.pdf
- http://hotel-ambassador-nice.com/upload/files/dejaminevilanifivive.pdf
- http://vswet.ru/f/90265792833.pdf
- https://0286869143.com/editor_images/files/7445448129.pdf
- https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/1bc1ddb2de4e3891dc1e0e79100de418/mejixurexokifufudemom.pdf
- http://klaaswester.nl/img/file/kuliwakipuz.pdf
- http://ciskmv.com/css/file/2229340322.pdf
- http://audiohrestomatiya.ru/content/file/2966274718.pdf
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/7522c154bbe820a800a491fd756ac7bc/wiruxoguvak.pdf
- https://divinenine.net/userfiles/file/68183955493.pdf
- https://plasy.com/uploads/file/vajolagutosokiwekovoro.pdf
- http://www.mananthavadynorbertines.org/www/js/ckfinder/userfiles/files/jakumu.pdf
- http://kietminhrivet.com/upload/files/92111592760.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=spy+software+for+mobile
- 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_off0000e6fd.bin67bc9d67232b1db421404d423c1d5ed3a9b3f178d3620f5c5f0c59883a94aeeb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6FD | 17484 bytes |
font_01_sfnt_off00011430.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11430 | 16792 bytes |
font_02_sfnt_off00012c47.bind0e3e3f19a7be9592ca3898097f22e85957489c580ec316a7046da2b52b3e661 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C47 | 10828 bytes |
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