MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The document contains numerous embedded URLs, many pointing to compromised CMS upload directories or disposable hosting, suggesting it functions as a link farm. These links likely lead to phishing sites or further malware downloads, aligning with a spearphishing attachment attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://mariellatriolo.it/public/file/tuwibem.pdf
- http://facyt.com.ar/ckfinder/userfiles/files/182582181.pdf
- http://creatinglifeoptions.com/userfiles/files/wezetotevadeniluko.pdf
- https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/160ec96f6daeb6---nujajuxofabusosusamelul.pdf
- http://cuahuyhoang.com/media/ftp/file/74346893001.pdf
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ac526502c18---moximolaz.pdf
- http://mnarch.it/userfiles/files/joxezukisokalidexi.pdf
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acefc55a4c7---92538119234.pdf
- https://fonixkoncert.hu/upload/file/bigixof.pdf
- http://ateliergermain.club/sites/default/files/file/jolowenowaribopitapodiza.pdf
- http://ortopediaszombathely.hu/editor_up/gaxapaguxureloganew.pdf
- http://140.121.180.103/ckfinder/userfiles/files/xuvigepekulegafepuja.pdf
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607e942e51d29---fupokidivoturofamejedema.pdf
- https://northcoteplaza.com/userfiles/file/tejoximuxolisalu.pdf
- http://guanzhuli.com/userfiles/file/11447099756.pdf
- https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/e22427ec2984b2d139a6d0845cbb9906/26989316560.pdf
- http://abwpetersburg.com/uploads/files/46784308441.pdf
- http://fouladsazanco.com/Upload/file/zinijezixaxuwuvavujo.pdf
- https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/a7945de6ad007fb5adb625c8d5812dec/tupobubewafivamizixasoti.pdf
- https://premiumvipbusiness.com/wp-content/plugins/super-forms/uploads/php/files/2b205f9f773f2bf436edd6709d273e78/feguna.pdf
- https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160773587576ff---77790087565.pdf
- https://www.nrlandscapes.co.uk/wp-content/plugins/super-forms/uploads/php/files/b80d6e66ba068559998c7664c4c0bf85/72818158748.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=ancient+athens+size
- 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_off0000d3a8.bin3efb3439183d16d94e0abb9ab3e18ed296082ba6b098233d2ee698caebf68cbd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3A8 | 16524 bytes |
font_01_sfnt_off0000fe9e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE9E | 16792 bytes |
font_02_sfnt_off000116b5.bind3ccf19dc07c3f969fbe614361f324f5f49f4fbb327e8049c4b5837792e4b558 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116B5 | 10104 bytes |
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