MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress upload sites. These links likely serve as a distribution point for further malicious content or phishing attempts.
Machine Learning
- Nyx PDF Classifier malicious score 0.9919
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.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16090b34bc1bdc---mogizilibokilopo.pdf
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/molh357ik8mj178se83nt140b0/25061037794.pdf
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/r9o02m54u39q0vf1itvgu702pp/panimovijiwuwobuze.pdf
- https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083aa58b3925---23105802526.pdf
- http://nowyhotelik.pl/userfiles/file/30391886624.pdf
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa8522363fc---48514201954.pdf
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607454be08f5c---gowesadiriwarexese.pdf
- http://geoplan.su/userfiles/file/56594629548.pdf
- https://seerupit.dk/assens/file/domedelidadoguwujutev.pdf
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a78be52297c---liligerebaru.pdf
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/160db9a7932387---vadov.pdf
- https://aspit.ro/imagini_ws/44288576598.pdf
- https://bk.knu.ac.kr/ckfinder/userfiles/files/34522172123.pdf
- https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/405cc26f879d711a13b8cdc9b42a4674/laden.pdf
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/b73ijvkphmc23801kjstmh4ct0/37515942036.pdf
- http://cerescommoditiesltd.com/Images_upload/files/60685730654.pdf
- https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/bd6a4b1d92b0e624dea40ae266d8c298/parupolakela.pdf
- http://acrclubinversores.com/files/galeria/files/puganenunogunarakev.pdf
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/160afc8ca71ee3---pedamifexelu.pdf
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160b1498914ce1---wafufeximufabuj.pdf
- https://canadiancontractorservices.com/wp-content/plugins/super-forms/uploads/php/files/70t7hmerf7046dl2rik473isb3/61094622608.pdf
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607920d16af86---toxejikupi.pdf
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160718ca6eee9d---78193334483.pdf
- http://laclonghotel.vn/upload/files/nonapur.pdf
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607649d0a0d90---82589430444.pdf
- http://reicar.dk/userfiles/file/munivoguwidisebelagutusi.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=le+royaume+de+kensuk%C3%A9+r%C3%A9sum%C3%A9+chapitre+8
- 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_off0000ea0a.bin40f54c338bdbf70a13932455c051441bdda6d1461e1ae3f352f924a16320f408 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA0A | 19748 bytes |
font_01_sfnt_off00011b86.bin8b5861789b9b7a9841932fdec8234fd6e5e8edc4391b32dec4a017bc50b25d36 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B86 | 11356 bytes |
font_02_sfnt_off000135d4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135D4 | 16792 bytes |
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