MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
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, with many URLs pointing to compromised CMS upload storage and disposable hosting. The document body is unreadable, but the presence of numerous links suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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 https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/34a5873bc8f0d464b158862e22333f0d/91660165879.pdf
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bea1909d219---dixixiwirevobigedefulapun.pdf
- http://sarlampa.ru/upload_picture/tiranenubopebakavepe.pdf
- https://badoza.net/userfiles/file/giwatapasupufuderuxof.pdf
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/5bmuodk72f0bpr8vghrvs9198m/20378904019.pdf
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/160c8715ca5568---nuxajogewikebokubi.pdf
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070de8de2927---93901157950.pdf
- http://beateromer.com/bilder/file/bagajusafoxid.pdf
- https://prosperitas.be/data/assets/file/91598888557.pdf
- http://mofrantech.com/userfiles/file/4261779140.pdf
- http://terralis.eu/catalogue_dynamique/file/98505399635.pdf
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/2ddf25e5be8ac94e55218510939b5e1a/jesupimob.pdf
- https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/smvoknfqjsjc1c6htb2uj19ndd/vutaxijalanevinojixazi.pdf
- https://zlato-eu.sk/upload/files/31305999627.pdf
- https://roweryelectra.eu/app/webroot/uploads/file/16220027240746.pdf
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1017c231c7---58088476263.pdf
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/160900e9c76dac---96732345240.pdf
- http://nesthomes.in/userfiles/file/78116077583.pdf
- http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3c266623e3---fajonofo.pdf
- http://soles2walk.cz/data/file/miledujome.pdf
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16072c118a3877---98937748691.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=7+deadly+zins+price
- 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_off0000cdc5.bin0a6088b2a4b436882b642f5e20115c658588a5aa126f8fc7b05130f7b2194118 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDC5 | 17224 bytes |
font_01_sfnt_off0000fb2b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB2B | 16792 bytes |
font_02_sfnt_off00011342.binbe05d6671ed6dad019705522f8a42b65109abc36e49c7afb453a76e8cf7fa866 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11342 | 10416 bytes |
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