MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites, suggesting a phishing or malware distribution campaign. The PDF structure and embedded links are consistent with techniques used to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
Heuristics 6
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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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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 http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/e2f3c6be66b232eb231c3fc5fd6d8001/feliditalami.pdf
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4e0f56479a---buvipafuwaxum.pdf
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e4f93074f4---43629577456.pdf
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5372be59d6---fobulezu.pdf
- http://refpecsbelvaros.hu/kepek/files/30604413330.pdf
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160b075d0b4fe9---nutebesuj.pdf
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607c787c90de3---20070665002.pdf
- http://mamitobe.ru/files/file/jamuxijurinipafinabosu.pdf
- https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/46f6c58122c67f7bedac3ebf07599640/98101838215.pdf
- http://gmei.lt/ckfinder/userfiles/files/joguguvapoparefirox.pdf
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/58ada0d426c427309711e91b52b261ee/79999181982.pdf
- https://bodegoncriollo.com/userfiles/file/92521103522.pdf
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1606f43c520385---tobodovoke.pdf
- http://clinivetmadonnadirosa.eu/userfiles/files/bisoli.pdf
- http://ladyvenus.it/userfiles/files/86874951025.pdf
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a931627a132---86511099782.pdf
- http://web68s.com/upload/files/52248338150.pdf
- http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16072cb95ce3c0---zivaseboxifokuvotigete.pdf
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160777508602ae---63492198087.pdf
- http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba02310ae15---figelidazomolegoj.pdf
- http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d49a345f740---38615911233.pdf
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608eacf57dcce---vuluzepus.pdf
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ef2a5c20f3---17043292564.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=copper+cross+over+traduction
- 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_off0000ea07.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA07 | 16792 bytes |
font_01_sfnt_off0001021e.bin6c3308a6b9a40f9932288a0a6d11dff4f0fe686658800d89a6e74e96e8b20f0e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1021E | 10660 bytes |
font_02_sfnt_off00011aaf.bin9c5d2455a824a5c804de2c06db38a9d362b5e50073dbbec9b552fc90d242e68f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AAF | 18728 bytes |
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