MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a large number of external URIs, many of which point to compromised WordPress sites. These links form a link farm, a common technique for distributing phishing content or malware. The ClamAV detection and ML classifier strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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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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://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d72146aae3f---34947950434.pdf
- http://www.sandipmallick.com/fckimages/file/nazefuxekibawuninevekis.pdf
- http://perechen-jurnalov.ru/js/ckfinder/userfiles/files/jenolopurubifugoso.pdf
- http://heaig.org/editor/ckfinder/userfiles/files/69937490513.pdf
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160aa2362c82ec---xidavawezugegimoromi.pdf
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080d32f88a7b---26241487342.pdf
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/6e59fe55ad678c62a3ce7651a17a4231/jofovumarorif.pdf
- http://lambanghieuquangcaogiare.net/vietkiendo/upload/file/sifuxutapagebuxakeket.pdf
- http://mhfmjournal.com/data/22/2/55/64/2544879/user/2788947/htdocs/userfiles/file/jezedo.pdf
- http://www.jindatunnel.com/up_files/file/kakogojiwarijuvurebibodu.pdf
- https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/9d8cd2869bd6bca41b94c1d9f2875cfa/90641598342.pdf
- https://davebakeragency.com/wp-content/plugins/super-forms/uploads/php/files/81cfdcadf32f9268f27bac2a2bc82cf2/73187995511.pdf
- https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/e1997eeae414b4d73759594ef93872f5/josalazivosuj.pdf
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/16077ddcae4b73---peribebufosa.pdf
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160788c1eb35dd---totuzapadagajoxomo.pdf
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d30623380a---68654288360.pdf
- http://shinex-auto.com/userfiles/file/mivowulinugifopoxapovipep.pdf
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/09rmj485c4pn5tsvrc3ai09s40/navawatazexov.pdf
- https://raljob.com/userfiles/file/nirogutujafataso.pdf
- http://liveisagenix.com/ckfinder/userfiles/files/resuxiniguwimuwaz.pdf
- http://amphorabeautyclub.com/campannas/file/medokoluzepojowufurese.pdf
- https://huaienclinic.com/uploadpic/files/donotoxudafilokom.pdf
- https://presstone.hu/userfiles/file/74164740103.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=were+assassins+and+templars+real
- 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_off0000f47c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF47C | 16792 bytes |
font_01_sfnt_off00010c93.bin4318ee3174e4ceecfb496c06b78e02aaf70f02510763a25ce9db129c14389a7f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C93 | 10428 bytes |
font_02_sfnt_off00012420.bin35255419035e8e76c409b378021420e8de960b6fe1804dc7fe2c0d1f938d0d16 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12420 | 16988 bytes |
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