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, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, utilizing compromised WordPress upload directories to host and redirect to other PDF files. This technique is often used to obscure the ultimate destination and evade initial detection, suggesting a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://www.ltgpartners.com/wp-content/plugins/super-forms/uploads/php/files/4c3469467c6710fe79e41184c67a1d02/61968445774.pdf
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1b81efb05---jebuj.pdf
- https://www.scilights.com/wp-content/plugins/super-forms/uploads/php/files/b09cf9b18eda0efe4c7bf3de5b6f485c/62442766801.pdf
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/8aa180923a4f61af4502e902484ed915/sexasepoviked.pdf
- https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/4vqv5a187ufcjgkmr7k0nhagno/ruvuxabidonoboboninafa.pdf
- https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/7s5mpfb46ugq94dlo9hv760igd/58195573718.pdf
- http://merrygoldholidays.com/ckfinder/userfiles/files/pufutumijezumexunaxon.pdf
- https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/9548fb4a7d484bb3933d32026ec45cd6/xajugazifugokisanugune.pdf
- https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/d628f370f23b76b51ae17a58635f8409/meximofoxosopoxu.pdf
- https://equator-maritime.com/userfiles/file/38303457805.pdf
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/e461e780648f9b3a416e8e4c2b6510be/27939708549.pdf
- https://coil.hk/upload/files/11697221751.pdf
- https://chupwo.com/editor_upload/file/mawudes.pdf
- http://xn--e42bt3l.net/upfile/files/2211772966.pdf
- http://suapaiatuipelehakefamily.com/clients/80707/File/14700322294.pdf
- http://zatexpress.com//upload/userfiles/files/33585750406.pdf
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609691f717ccf---walew.pdf
- https://dgaspcsm.ro/ckfinder/userfiles/files/dariwapixa.pdf
- https://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/4t5v9hf43112f3po0ctgidf011/zaxomalu.pdf
- http://dabaizhongxue.com/upload_fck/file/2021-5-22/20210522130723611142.pdf
- https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/a26f3e4ae8983fbdf1d7ed659729c52b/11736312245.pdf
- http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ea8ad6054f---waboberolovepisa.pdf
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/1606d39257987f---69897463864.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=action+pictures+speech+therapy
- 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_off0000f4be.bind92297b5efd560c7cd3f6eb410a68e96d3684dba3787799c1b5adf3ae7e89ce0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4BE | 10620 bytes |
font_01_sfnt_off00010d15.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D15 | 16792 bytes |
font_02_sfnt_off00012527.bin07cea487d4060949eeee8fa73e07c8a1d5bdc3751a844877c01a3d866b2db1a9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12527 | 17444 bytes |
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