MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file contains embedded JavaScript and a large number of external links, many pointing to compromised WordPress sites and disposable hosting. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document likely instructs the user to download a password-protected archive, a common tactic to evade gateway scanning. The embedded JavaScript and link farm suggest an attempt to download and execute a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://secolink.sk/userfiles/file/85122491080.pdf
- https://tenfci.org/userfiles/file/41128602252.pdf
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16073ff2183eaa---kusagitovokuvegetagutupa.pdf
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/1609dab5cd15fc---viludugurikurujitusejamo.pdf
- http://evevoyance.fr/adh/.-/file/tujepurutegeriza.pdf
- https://okud-istra.hr/userfiles/file/30120726566.pdf
- https://realschoolspirit.net/scauserfiles/files/60039916664.pdf
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c399b257a45---megajixudezufoxofaluf.pdf
- http://woorymart.com/userData/board/file/57734068223.pdf
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f094a3c02e---nozudapu.pdf
- http://northcity.rs/slike/files/guzupubofugisew.pdf
- https://empezo.xyz/js/ckfinder/userfiles/files/57478704061.pdf
- https://accesoriosalmayor.com/images/userfiles/file/poretagivesutefamomo.pdf
- https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/e3938df42e85d676abc367fc8f2f859d/livopomegab.pdf
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6a1618a76a---50265322640.pdf
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/32ed3e5351f045da793503494cf0afb8/minalusof.pdf
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090b00511b9b---sinabekaxoju.pdf
- https://tortugafilms.ca/adminfiles/file/goweralenup.pdf
- http://appletechsolutions.com/userfiles/file/bumopadokiren.pdf
- http://m3hotels.com/userfiles/file/kusuje.pdf
- http://gillsandgeckos.com/userfiles/file/61387033210.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=how+to+remove+encryption+from+pdf+on+mac
- 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_off0000e478.bina4babb04d4ac088566ef026ce93f0c9eb620c11b3bf8753e7e9603ee6cbdb89c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE478 | 17640 bytes |
font_01_sfnt_off00011297.bin78b445210d88b308ed11ab824ac0f384ec01dd0ef92fe1c04d492274116fbc93 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11297 | 10824 bytes |
font_02_sfnt_off00012b97.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B97 | 16792 bytes |
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