MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document containing embedded JavaScript, which is a common technique for executing malicious code. It also features a link farm pointing to multiple compromised websites, likely intended to host phishing content or further malware. The ClamAV detection and ML classifier further support its malicious nature, indicating it's likely a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
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.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/j89up4ec07prja36tsbet171p6/xitopoxepimivojejevafopof.pdf
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160e52d95cdc27---23046209918.pdf
- https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/b21ad687bb63f56da905fda493df1686/19640283081.pdf
- http://nowyhotelik.pl/userfiles/file/56155065554.pdf
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608efc1a57777---53545280383.pdf
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/8bddkqfn23jtii3hquige09ij5/42251601919.pdf
- http://circuitvietnamcambodge.com/hinhanh/file/gagijatebakisekatowiru.pdf
- http://nwatchonline.net/userfiles/file/46897768182.pdf
- https://avflash.nl/upload/files/30037586977.pdf
- http://balade-pierry.fr/userfiles/file/50079682584.pdf
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc9bb9e6d92---40380493810.pdf
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/160b8ddd79c910---dofedosogibasiz.pdf
- http://brmxn.com/userfiles/file/20210616230051_iyd5to.pdf
- https://www.ideaklinikbursa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f20783fa8a---tofikomebubuzotub.pdf
- http://evopizza.lt/ckfinder/userfiles/files/61376809198.pdf
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c91591e4cfa---ratapukegawosalojatagekis.pdf
- http://telegid.tv/userfiles/files/wokema.pdf
- http://biomehl.com/images/content/files/104646275.pdf
- https://landatur.com/files/galeria/files/53820690902.pdf
- http://dawahcity.com/userfiles/file/zikapuzunumepi.pdf
- https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/ktqjahl10fcdk0b7lmjheevut3/vemusakop.pdf
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/b2b3ae6ffd2578fe537febf4f393af46/95843993413.pdf
- https://aquarell.ro/userfiles/file/40840042538.pdf
- http://xn--42-6kcdlkbomh7beggito5p.xn--p1ai/userfiles/file/58384404719.pdf
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/dqtovpfrihudgk8r1q5fvvssg6/61602859721.pdf
- https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/agco23a9e1r4eoudri9ecu5r1u/46197352639.pdf
- http://friend5190.xyz/js/ckfinder/userfiles/files/12273212546.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=is+peptide+a+steroid
- 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_off0000e950.bin1db40f8533131595c02c8c94270fcba76cdf1c091fef7b668682e6a8c1fdc3a7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE950 | 17000 bytes |
font_01_sfnt_off000115b7.bin617e29481ba12a1d97348f82289b1d094605ea972c791441859af143381404d9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115B7 | 10188 bytes |
font_02_sfnt_off00012ca8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CA8 | 16792 bytes |
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