MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to multiple compromised WordPress sites, likely intended to host malicious files. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs the user to download an archive and provides a password, a common tactic to bypass gateway security. ClamAV also detected this file as 'Pdf.Phishing.Trojan'. No scripts were extracted, but the presence of multiple external links suggests a downloader or phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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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://www.helmmsp.ca/wp-content/plugins/super-forms/uploads/php/files/b1cd68d55806a4fa9b11cf6524b99c82/95498480127.pdf
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608d156d32e30---6045401811.pdf
- http://portaldo.eu/contenuti/upload/file/11431961100.pdf
- http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/160717a2ec8db1---puxixofaketukevabirujibuw.pdf
- http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080b157348e0---xudewefezupifipizazex.pdf
- http://lab4050.com/upload/editor/file/7271309303.pdf
- http://cathugo.de/res/wysiwyg/file/77994138692.pdf
- https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/cb9699fdd60dcb7f9485a4e5ecd84e7a/lexulowo.pdf
- http://baugeraeteverleih.de/benutzerdateien/tuzuvobar.pdf
- https://pass-eco-energies.com/ckfinder/userfiles/files/kadagezofinifun.pdf
- https://tckontrola.hr/files/98075685632.pdf
- http://strandedtattoo.net/file/38145167437.pdf
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606dc89771280---xobubowovowu.pdf
- https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/ff724804ece19ae16751196a684f14e6/56085581441.pdf
- http://laser-piskovani.cz/democms/userfiles/file/wimerurujesozudolo.pdf
- https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7892de9959---kozudifetitekifonomog.pdf
- https://www.elitelawnsolutions.co.uk/wp-content/plugins/super-forms/uploads/php/files/rk8iu90qkaqmvahn1gheqdm8ul/74463971461.pdf
- https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/rj129jia39mdqco6bfea62p9ni/89131800283.pdf
- https://machnhaduong.com/images/uploads/files/bizopoxotitagi.pdf
- http://www.contectrade.hu/fckfiles/file/sodizipoxokajavilupafez.pdf
- http://videoacceso.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4bf7ad6b50---96954137179.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=libro+de+pares+biomagneticos+por+enfermedad+s%C3%ADntomas+y+microorganismos+pdf
- 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_off0000f7f6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7F6 | 16792 bytes |
font_01_sfnt_off0001100d.bin98ad3a2de34e464cd99c4c1b043db0b0a2511f08b8447d8776cc0d95c358d155 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1100D | 11192 bytes |
font_02_sfnt_off000129d9.bin5cd18fe0f590e3b7abd9b78eaadf1804f6a047ccc5f31d4969fa6136f59d09f6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129D9 | 19084 bytes |
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