MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised CMS uploads and disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The file's structure and the presence of external URIs strongly suggest it's part of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://etadelloro.it/images/file/24629608990.pdf
- http://yule-sign.com/upload/editor/file/20210616095617.pdf
- https://mamo-tato.ro/userfiles/file/76514582211.pdf
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a3a91e1e035---bavizofogalojuxenunuwax.pdf
- https://ecobox.eng.br/wp-content/plugins/super-forms/uploads/php/files/o9a9tktfapumvlos2rou0buu0j/35888777390.pdf
- http://mastera-mix.ru/ckfinder/userfiles/files/73647118018.pdf
- http://robalton.es/Albums/images/file///76988130278.pdf
- https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/e4a69cbcc8859be749605c7e6573eba7/97738808277.pdf
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16084fc4c48a67---63472592323.pdf
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16075922fb9ba3---56990253345.pdf
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/1608363eeb2122---razogexi.pdf
- https://primewestelectrical.com/wp-content/plugins/super-forms/uploads/php/files/a513831d8d50d10ed9d3869c0a41b07a/8584699123.pdf
- http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/603a422d2f0a2ffd84b1c2c162662657/renuliroxad.pdf
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609d3448e582c---39076051057.pdf
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607df60dcd318---91469562835.pdf
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/cbe0452435efa7a3b3c9b3ca4a60b6a6/287616646.pdf
- https://anmimar.com/royal/userfiles/file/38602435988.pdf
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/878p1627fnukmo6r1ma63heiiq/bomolosodizabaresupam.pdf
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160883a67e23e6---84873678063.pdf
- https://accu-split.com/userfiles/files/37909006214.pdf
- http://middlegeorgiacoinclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071d249ef4bb---xavilubolamivenax.pdf
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/7f6f4b0666321416ab953dafe3fadfad/96596878506.pdf
- http://ldbell1965.net/clients/85689/File/11756835715.pdf
- http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afc2296766a---65690852120.pdf
- http://okulsanmalatya.com/imgup/file/sariko.pdf
- https://accesoriosalmayor.com/images/userfiles/file/tinozigam.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=time+management+guide+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_off0000f25b.bincf9ba0e19c820cb7f2a32d3e7d425ced1912c1a4cf81f4bf847bdcc2538a5c0a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF25B | 17284 bytes |
font_01_sfnt_off00011eaa.bin8c473f6984fe6c8afc05091f7a27fca6b6c1050e1b7e6b1a2f6d2976a180f52d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EAA | 10472 bytes |
font_02_sfnt_off00013634.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13634 | 16792 bytes |
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