MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised WordPress upload directories, suggesting a link farm or phishing lure. The presence of embedded URLs and the PDF structure itself are indicative of a phishing or malware distribution campaign, likely initiated via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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://coretry.ru/uplcv?utm_term=what+is+manovigyan
- http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a8a112d6018---10451210959.pdf
- http://ildungrice.com/fileupload/fckeditor/file/xugujixop.pdf
- https://truck-diagnostic.ru/wp-content/plugins/super-forms/uploads/php/files/afb80737adf1f09646ae6c650d9405ac/1474168220.pdf
- http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094f038bbd38---gigozovopebelose.pdf
- https://electrabicycles.pl/app/webroot/uploads/file/16245413272608.pdf
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c16220be88c---18157948898.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a4533c1ae9a---tabaz.pdf
- http://china-zzld.com/uploadfile/file///2021061107144421.pdf
- http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16080c0927cd3e---7962988602.pdf
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/8d53e765a808b6c5e39626090ae6e25a/13282500757.pdf
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085f74c0b219---43327890437.pdf
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/0079bc2e8a60a438c0bbd7aa1feb6750/23548505656.pdf
- http://bukharajohnscreek.com/sites/default/files/file/495235051.pdf
- http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/cbb19db71cbd9975ba0a438780c069e4/mememijasimux.pdf
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16077d5d28f11a---sapezaletove.pdf
- http://princeworldwide.com/multimedia/userfiles/file/modetorejumenixemilezujag.pdf
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096f5050eba3---18184178378.pdf
- http://amidoux-peintures.com/ckfinder/userfiles/files/pitavirimewibomo.pdf
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606da7a6c1914---jigovogisu.pdf
- http://meechoktoolmart.com/user_img/files/43079038177.pdf
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160a00f0226599---22025894760.pdf
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b79d2d961c5---88924760057.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_off0000cf90.bin0fc14b1e98a9576715aa9877e4467db0ba4312c4e59fe68583138250c5996216 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF90 | 16456 bytes |
font_01_sfnt_off0000fa67.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA67 | 16792 bytes |
font_02_sfnt_off0001127e.bin4a56c40432fe876258a53c03e0e4c003f9ac91636c52518e6a905a20fe99bcc2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1127E | 10452 bytes |
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