MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The presence of numerous links pointing to compromised CMS upload directories and disposable hosting suggests a phishing or malware distribution campaign. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document designed to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://nadamasristorante.it/file/54459048446.pdf
- http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608d1f7da53a7---66260926171.pdf
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16075dd9e4c013---gigivobifatonazawume.pdf
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1607b2c13117f7---37810187799.pdf
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/4hb8v3hn4use3kp3ipf52hl3bi/jebubajapabixixadad.pdf
- http://shqinze.net/admin/upimg/file///kurexulal.pdf
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba7f848f855---27058306741.pdf
- http://angelescare.com/userfiles/file/24603906245.pdf
- http://zabradli-znerezu.cz/userfiles/file/bovutov.pdf
- http://hzjksj.com/images/upload/File/10161837444.pdf
- https://cottonweb.net/userfiles/file/kesozagugukojoko.pdf
- http://meteosputnik.ru/userfiles/file/tamegajuvukagot.pdf
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d8d2900c8fd---21760964107.pdf
- http://www.buildingmalawi.com/images/uploaded/documents/72835036475.pdf
- http://yuanyoujie.vip/userfiles/file/mofizilubole.pdf
- https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/8ae8b300ebf4ebb1c94c9f2be3b753b9/meragitovogi.pdf
- https://angkortaxiservice.com/userfiles/file/59122732770.pdf
- http://ylpqzl.com/ckfinder/userfiles/files/50944449568.pdf
- http://www.anclupnapoli.it/userfiles/file/wokus.pdf
- https://sgcaregiver.org/contents/files/pizivi.pdf
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/2a6b106afc4b045c6148d8b5798817e3/zetedimemifajeboxabifet.pdf
- https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/qp6iqbh3eamdhv28rcc5f4msc4/musiwononimapavo.pdf
- http://csc-0898.com/userfiles/file/20210702162907_abmm6b.pdf
- https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/450926e677062f5efec5c90a6249a540/pevadejanovusosevaxat.pdf
- http://impex-italia.it/userfiles/files/98482385948.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=chocolate+village+by+the+river+maribor
- 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_off0000e345.bindbf8333c324655b2d3b00e37d1c9c95601891a9745c4a5cb88fe1dac08b480bd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE345 | 18676 bytes |
font_01_sfnt_off00011395.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11395 | 16792 bytes |
font_02_sfnt_off00012bac.bin05708bdf7ae7d02173d6be13db7da7b801ebe285f0debfe1f27ba2d9337260d6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BAC | 10756 bytes |
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