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 ClamAV and an ML classifier. It functions as a link farm, containing numerous URLs that point to compromised WordPress sites and disposable hosting. These links likely lead to further malicious content or phishing attempts, aligning with a spearphishing attachment attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9935
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://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083465a6fdac---64121591856.pdf
- https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/9ml9lhjdf8n5b3hlst50dcra37/52909541942.pdf
- https://pousadamarazul.tur.br/wp-content/plugins/formcraft/file-upload/server/content/files/16080a453e6217---26958148207.pdf
- http://sfera-vlad.ru/img/file/91120702370.pdf
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/rv1035ggena8t6ql1vpqpndqe0/vubotawamize.pdf
- http://chineseclothingonline.net/File/worimatetojodalaxi.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c07ac3b8a45---70547264333.pdf
- https://pingthye.com/userfiles/files/43000952638.pdf
- https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/lf5e9icplgn68hdp187q7s4f96/10079515000.pdf
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2fccbeffbb---jenatajalusuzukaragasi.pdf
- https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/cs5m9c9agf5825boejsu5ora7o/7883251270.pdf
- http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/62b78044e9ccf32b80689b483888ba77/53723262367.pdf
- http://guinyardfamilyreunion.com/clients/62985/File/93832089623.pdf
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16098834093295---94995360099.pdf
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608d4bb293727---56318578202.pdf
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072c5310eb07---mopivizemiwogudemiduvuw.pdf
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b07c8604c5a---setudamaso.pdf
- http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/54p53b7polan9a50udbl4ejqo6/wuwazaj.pdf
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/1kslka983fkeu4k9cto5031jul/pesixevel.pdf
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606d14d32e721---96559030714.pdf
- http://faw-asia.com/image/upload/files/64648222866.pdf
- http://kashima.cc/userfiles/file/tenod.pdf
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609d0131e9da5---jukumijabexinobif.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=meaning+of+the+word+strive
- http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/32d6077abba9008b7d58003e46c1a334/779611823.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_off0001146f.bin1ac02dd59698d5d5abe2683a9f02dc560cdb7d68f3995dc1009e376b225b1504 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1146F | 17168 bytes |
font_01_sfnt_off0001413d.binbe2413189bc2201a17994e38e108943b5857cea27d3da7ba9f7d495739586342 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1413D | 10732 bytes |
font_02_sfnt_off000159b3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x159B3 | 16792 bytes |
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