MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Several heuristics point to the document being a link farm hosted on compromised WordPress sites, with URLs like 'http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/16078f1115cc30---93380717251.pdf' and 'http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609148d28304f---92094272140.pdf' being present. These links likely lead to phishing pages or further malware downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609148d28304f---92094272140.pdf
- https://drsubhashawale.com/ckfinder/userfiles/files/gazopariperazil.pdf
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/i51jvlk026rvk3jov0mhpq7il5/wamufarepesamajituzib.pdf
- http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/16078f1115cc30---93380717251.pdf
- https://soudurelauziere.com/upload/editor/file/93496763614.pdf
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a231733fba9---jularerizazewarisefuve.pdf
- http://innobiztour.com/FileData/ckfinder/files/20210622_2EE4D4EDB2448D68.pdf
- http://22743333.com/userfiles/files/2949293016.pdf
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4081b5f05d---rameroramotobele.pdf
- https://akvaguru.hu/user/file/moxubatafep.pdf
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608db28311b41---71565659942.pdf
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c32eda1547b---98161069550.pdf
- http://xn--80aamdqpfpr.xn--p1ai/upload_picture/1387136238.pdf
- http://northphoenixmustangs66.com/clients/4/4b/4b49b54eec06ebba3741256e9f3e6f2b/File/2148608850.pdf
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e7c63605bb---bipapanujatafabel.pdf
- https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1606e46107ebf9---kegitopi.pdf
- http://teplospectr.ru/images/files/gatetidibutubaxubori.pdf
- https://holocaustresearch.pl/nowy/photo/file/55002036820.pdf
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160700cc9c1cc5---towubawudajizonumevekev.pdf
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160c6830784c15---3127800037.pdf
- https://carstenrath.com/wp-content/plugins/super-forms/uploads/php/files/7umo3av2hres2p44f9ghnnh7qe/ladaxufatenolivotunabered.pdf
- https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/9d61ace423dc8cfb7fc128d7aa2a0042/88725824404.pdf
- http://innovatepc.com/userfiles/file/52314914624.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=qc+microbiologist+resume
- 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_off00010292.bin0868bc9cf4cf4542ff21e5c198a2d4add2eeaf9eb14b3fbd3ad6868175c8671f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10292 | 18116 bytes |
font_01_sfnt_off00013295.binead8af1d7bbe5fffb688e939953640e9098655c276d981b2a7b8b0dc93bf95c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13295 | 10604 bytes |
font_02_sfnt_off00014aee.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14AEE | 16792 bytes |
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