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. The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories or are part of a link farm on disposable hosting, suggesting a phishing or malware distribution scheme. While no scripts were explicitly extracted, the PDF structure and URL patterns are consistent with techniques used to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9932
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://viticoltura-enologia.com/file/90200523297.pdf
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f14e3a723d---xefujetopimor.pdf
- https://dynasty888.com/image/files/20210606_234401.pdf
- http://khonggianmang.com/upload/files/xezolokajumezudawifapowuz.pdf
- https://newtech-utm.pl/userfiles/file/64208764118.pdf
- https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/adbad6cb30907a3eb601137b5dbc4af6/werupibironogige.pdf
- http://guowangcable.com/d/files/bapevawiratile.pdf
- http://pneusmarene.it/images/file/kejamubozid.pdf
- http://ncabhsa.com/clients/875427/File/badetadoruxar.pdf
- http://ahdongjiu.com/upload_fck/file/2021-5-5/20210505100219248208.pdf
- http://www.bash.cl/media/file/rarap.pdf
- http://nadiadsa.org/userfiles/file/10136661293.pdf
- https://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/lfqehs44hr5pcimugu3510tnoo/nasudon.pdf
- http://carroll1975.com/clients/4/4e/4e2b018d07aaa5a30c3e4fca1c7a8df7/File/84987786944.pdf
- http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/1e520ea0165d24f521d08233b33fd72d/panesuwiroxe.pdf
- http://mitcostruttori.it/userfiles/files/labirolu.pdf
- https://uleshuzataruhaz.hu/files/file/jutonobizidat.pdf
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f6d22bf792---fapubijofabapexazovize.pdf
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1606efc6f39485---todose.pdf
- http://alliance-vietnam.com/upload/files/bokogevurapixafalibivevo.pdf
- https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/f4bf77438d40157bff2029210ae05494/funapusajefeb.pdf
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/u0j002n46l6joia1fbjtmb7h73/gexoguxunowexelibov.pdf
- https://arhometutor.com/userfiles/file/98461799555.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=changing+declarative+to+imperative+sentence
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_004_off000130f1.binc98283ed137677a5f2d34b2791b76a36c59a9494d32583cfa1f2e5c7153b973e |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x130F1 | 16888 bytes |
font_00_sfnt_off0000ea58.bine2971aca71b688dd683be8a45b83a408995411962f51a4ef813c8e653774919c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA58 | 17432 bytes |
font_01_sfnt_off0001178d.bind2f2ae11e59eea62784e2dfee0e01735a65745483c96c32f370331550d138032 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1178D | 11056 bytes |
font_03_sfnt_off0001494d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1494D | 16792 bytes |
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