MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised WordPress uploads and disposable hosting, suggesting it's designed to redirect users to malicious sites. The embedded URLs and the nature of the heuristics strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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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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://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/7206209c14f6ec22a6ce483c235bb9ed/seturo.pdf
- http://adamlegal.com/userfiles/file/rapitizejigovoxikofad.pdf
- https://anpheatingandac.com/nbloom/fckuploads/file/xafukogagabiroladefi.pdf
- http://k-yoga.org/file_upload/spaw_upload/file/20210625101206.pdf
- https://contactfm.be/userfiles/files/tagode.pdf
- http://meyanko.com/userfiles/file///zutikisamakile.pdf
- http://narcisse.sk/editor_uploads/files/70552008826.pdf
- https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/d3936d5da428e8c22f8bd4e2551c8b88/semowosilakux.pdf
- http://orgue-chantepie.info/FCKeditor/upload/file/baratazokerome.pdf
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607adf9d4564f---61197921519.pdf
- https://artasedanasingaraja.com/uploadfck/file/sidoxeladafojuvu.pdf
- http://au-coeur-du-temps.com/userfiles/file/legokivikaxamonatobemigox.pdf
- https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/16071a91dc9202---12296530608.pdf
- https://superpart.com/files/328233854.pdf
- http://maxidmum.com/images/upload/fck/file/ramegulekeri.pdf
- http://atallmed.com/userfiles/files/fegabilabezekoxodiwe.pdf
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609b1fb081c8d---pomepovom.pdf
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a255a17d4---nuratewevujosure.pdf
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d51b4dddde1---89564279721.pdf
- https://artbynela.com/uploads/file/7388100562.pdf
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16095ff0b4a596---dibum.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083645aa0ecd---gomukonelifemobaroviponek.pdf
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/fdf7a83115a794125387cae4c6a63817/13026819428.pdf
- https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/4d46e19e86f17aa7703498bae878b66a/70211968064.pdf
- http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/b31cb9456a5c976a3e7bf7df4f6f2998/63268136972.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=merge+multiple+files+into+one+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_off0000e7f5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7F5 | 16792 bytes |
font_01_sfnt_off0001000c.bin7a438e253ad28e0582baa0f9b59c25f6869c20ba150e35f52d439daabc7b2168 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1000C | 10772 bytes |
font_02_sfnt_off00011893.binb95f5d636a875b7d378ca65afd95034c905a11a98f5e64335cec09faa5cc77fa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11893 | 17404 bytes |
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