MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple heuristics as containing a link farm pointing to compromised WordPress upload directories. The ML classifier and ClamAV also identified it as malicious, specifically a phishing trojan. The document's structure and embedded URLs suggest it is designed to lure users to malicious sites, likely for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/qactnbqgc3d9fvekdp19tgqm2k/megetuxojurofevug.pdf
- https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/8bda284728ca8d4eb141b937d4aaa797/lewewunixuforevojesinubal.pdf
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607efeac7fb3b---sakawibokigatubo.pdf
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/4tuonui7stqepnmpf6gaark9kp/fasupolapelosi.pdf
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b088224853a---50810586243.pdf
- https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/47edeb82cf8d6b08f927188e0102be5e/85393657427.pdf
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608371418dd1a---53742472382.pdf
- http://gagutp.com/sa_upload/userfiles/file/20210527041029.pdf
- http://kiuanai.com/userfiles/file/91344055336.pdf
- https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/3taigqp2o71kficsc3ps9do369/minebesumologajesegozo.pdf
- http://aardbeienfeesten.nl/uploadimages/files/32096459189.pdf
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607ffc7f5df21---liwaboxi.pdf
- https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/06rkfcb0bf8cd6qe919td9o7as/rotumuxolewokekukawiju.pdf
- https://www.masismarketing.com/wp-content/plugins/super-forms/uploads/php/files/c438a1ef5eeca3f2ff2835abe55c50a2/73113876158.pdf
- https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/uf1jkchbi7irlm9vt28eol64bi/wuwegav.pdf
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/7cd805cc9216db7180dc2339be5ffa86/bajepavunibob.pdf
- http://blessingsngo.in/userfiles/files/zedomol.pdf
- http://arci-mp.fr/admin/File/kafababujesowig.pdf
- http://www.adarshvidhyasankul.org/userfilesfile/56734360017.pdf
- https://bmat.mn/uploads/ckfinder/files/nilejomo.pdf
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ae0aac800ef---54047693212.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=2+daughter+cells
- 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_off0000d941.bin44d7c49915612b9e8bca70deb833022b5c265f253ff0c66f506a40b822224bf9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD941 | 16484 bytes |
font_01_sfnt_off000103be.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103BE | 16792 bytes |
font_02_sfnt_off00011bd5.bin790024644e620568df8636f4c343b90de26e274cb5a3f6a7247e7bba609515a8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BD5 | 10456 bytes |
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