MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to numerous compromised WordPress upload directories and other disposable hosting sites, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent. No scripts were extracted, but the structure and URLs are indicative of a malicious PDF designed to lure users to external malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://blackshirts1960.com/clients/876325/File/xoxowewo.pdf In PDF document text
- http://scissortailfarms.com/wp-content/plugins/formcraft/file-upload/server/content/files/160817e77de0cc---rosusejasukapunubidarov.pdfIn PDF document text
- http://ptaki.info/imgekoprojekty/files/zenozarobozivoviwemeb.pdfIn PDF document text
- http://waypl.pl/upload/File/nusimefovonasugewijug.pdfIn PDF document text
- https://suadienlanhhanoi.net/upload/files/2934392305.pdfIn PDF document text
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/16071d5ac1dc22---6781304935.pdfIn PDF document text
- http://j-line.ca/fck_upload/file/ruwamexoxizokobekiwore.pdfIn PDF document text
- http://mtlebanon62.com/clients/5/5e/5ee551a8be14a26d7d76bc5e90dd1372/File/84285481990.pdfIn PDF document text
- http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078bd9a32c02---nizidimikujoboxagakun.pdfIn PDF document text
- http://laulumaja.fi/ckfinder/userfiles/files/fisiwezurupemifimo.pdfIn PDF document text
- https://angelsstaff.com/uploads/file/puzowutaponise.pdfIn PDF document text
- https://nazrabilisim.com/calisma2/files/uploads/59365613359.pdfIn PDF document text
- http://szentimresiklos.hu/upload/file/88595006855.pdfIn PDF document text
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/16079c6386230a---89901232083.pdfIn PDF document text
- https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/d239672279e39c75eaf118e2197e7f2d/28432990725.pdfIn PDF document text
- http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16076f1edf3253---nixuwanemipinijukepe.pdfIn PDF document text
- https://loctra.net/userfiles/file/mexidufo.pdfIn PDF document text
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/t2akockc9g0o86ajiv9kqf6ev1/tufejipo.pdfIn PDF document text
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/6l3s9963ei9iplbmlsifm3q5l2/talemofiwa.pdfIn PDF document text
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/303hn9ivmln825aacli1h42d0i/sojagisoxeb.pdfIn PDF document text
- https://bloomeng.com/uploads/20047827300.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/g6fk8of0ga1jt036jlormpf27s/figev.pdfIn PDF document text
- https://apinero.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073c4411a8ff---54067251328.pdfIn PDF document text
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b613104d2d7---fedaxoluzufimuzanotuluro.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=screen+video+recorder+download+for+pcPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC05 | 10576 bytes |
SHA-256: f8a4357a922d440255d06c2c917fdc6f338dde51bfa1146198c622e1931706ea |
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font_01_sfnt_off0001044c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1044C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011c5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C5E | 16964 bytes |
SHA-256: 179a1ba1faa90f0ab51db4b302a211adf8ac352b81b1083aa85c8152eaa3fa04 |
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