MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. It functions as a link farm, containing numerous URLs pointing to various websites, some of which are hosted on compromised CMS upload directories. The presence of 'utm_term' parameters in some URLs suggests a potential SEO manipulation or phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://presstone.hu/userfiles/file/namizopanunirojevanid.pdf
- https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/sspu9d9v2vkq3ckqv9j06dd6h8/buzoseruzijem.pdf
- http://hitecds.com/userfiles/file/rafavemimuwemaxizapi.pdf
- https://deltagroup.bg/uploads/file/galozemilesedevusikape.pdf
- https://www.harasportcenter.com/wp-content/plugins/super-forms/uploads/php/files/dcrfhr7kr6f8fam3bbnmac7so2/xusikiwokifis.pdf
- https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/ddh3i7388nb09s4kcd5hn7tiko/tabovamudujiwobetaron.pdf
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f4218708926---tejudopowapovonisakifemot.pdf
- http://vincitydata.com/uploads/ckfinder/files/80763693313.pdf
- https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/879a1368b6ab8a6373b46404efcd6d21/powipu.pdf
- http://perilatomsk.ru/ckfinder/userfiles/files/ruxasew.pdf
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/mg5ivip8ppith8p6d0n7jlpdo2/puzabemadovunovemusipis.pdf
- http://frickcontrols.com/uploads/files/47331806840.pdf
- https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/13oknfpk2cpmgmupqk5q6haoht/70402266580.pdf
- http://www.chicagoalphas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb19d880ca3---kujubuneduviminuv.pdf
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9deabf1b6d---31470737807.pdf
- http://beccaro.it/userfiles/files/60401923246.pdf
- https://moyaexpresss.com/ckfinder/userfiles/files/wujuxikabifovopo.pdf
- http://kochamsushi.pl/UserFiles/file/simanusuwujaworapogapogod.pdf
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/1608c89320b8db---gupotavumajos.pdf
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a96b36005a---jogevolugirofaz.pdf
- http://leaguengn.com/userfiles/file///wegikejoruj.pdf
- https://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/6c0d60c1be63dc13c1350722bf842c73/48500634098.pdf
- https://voyageaventurenepal.com/upload/files/roduziborejuwupezuviwima.pdf
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d68608325f4---7593203791.pdf
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/p9vvrunji86n16sv6117cb8ec5/87623216335.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=index+of+insecure+season+4
- 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_off0001477d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1477D | 16792 bytes |
font_01_sfnt_off00015f8f.bin9791119ed8f8d29018d2ef091e6ef46fa06bb1e1a981cedad51b49a55dea0fa3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15F8F | 17612 bytes |
font_02_sfnt_off00018deb.bin65ebcf95297d1fc606558ecef5a26e5f79894dab064bc0b93cbe73bcca41357b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18DEB | 10556 bytes |
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