MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript, which is often used to initiate malicious actions within PDF documents. The presence of a link farm pointing to multiple compromised CMS upload locations and disposable hosting further suggests an attempt to redirect users to malicious content. ClamAV detection as 'Pdf.Phishing.Trojan' strongly indicates a phishing or trojan delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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 https://konferencii.ru/js/ckfinder/userfiles/files/91815335172.pdf
- https://cr2tek.com/userfiles/Proj_Name//files/kekajolesojawunebotojo.pdf
- http://computerdoki.hu/user/file/57126775758.pdf
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/aa61c496b855a64a7639bf349b939536/xetazudazezazal.pdf
- http://pixel-pro.ru/upload/file/pupunikugosapawokekosimi.pdf
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a046f3a46a5---peluvetu.pdf
- http://alexhoffordphotography.com/temp/files/file/bidatowekenizumaselajozul.pdf
- https://mamo-tato.ro/userfiles/file/63827384628.pdf
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b0d6301b19b---19466296698.pdf
- https://cvconstructionsgoa.com/pharma/admin/userfiles/file/33905492073.pdf
- https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/bfd8bbd78feb14c794229b3e5c953a35/mukalugurajuvaxina.pdf
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b7292218a1---33082101665.pdf
- http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16075150ae85f0---tilototez.pdf
- http://hart-metale.pl/gimnazjum/userfiles/file/50531925984.pdf
- http://zzweien.com/d/files/natiwu.pdf
- http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16089b53f33cd9---54823872325.pdf
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160beec5f88cca---rokumipixokazidofuja.pdf
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085a79f6ee5d---lipoxemeworiximaza.pdf
- https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/7c8hmgfr3qn502efv5qmk4f056/64887737434.pdf
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160735b696ce1d---38015083045.pdf
- https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/16090d8aac678a---21027947060.pdf
- https://penal-garazh.ru/files/13476335863.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=spider+solitaire+4+suits+online
- 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_off0000f340.binf68457f288c411f5838e081c88682b555e1b9afbea3a8316a66096102b448663 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF340 | 17180 bytes |
font_01_sfnt_off00012051.bina47656019547acaa62b51d870cb402d0d89cae42ced30efb4880430cb93d9a94 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12051 | 10640 bytes |
font_02_sfnt_off000138c5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138C5 | 16792 bytes |
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