MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories or are part of a link farm on disposable hosting. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or SEO poisoning to distribute further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9802
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 http://fonnepal.org/userfiles/file/xodukuvosekonovuze.pdf
- http://merrygoldholidays.com/ckfinder/userfiles/files/72561309601.pdf
- http://kjphotocon.org/data/userfiles/files/5461058596.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160baa3f72e2d8---fanalofapatunezaxalipuwo.pdf
- https://samoinstitute.mn/uploads/assets/file/99703408082.pdf
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d712d402e08---xumezawovomipejewazote.pdf
- http://come2menorca.com/images/file/41614046484.pdf
- https://www.tvmreza.tv/ckfinder/userfiles/files/mewije.pdf
- https://kham.vn/userfiles/file/42408492839.pdf
- https://termoformat.md/img/files/22725129642.pdf
- https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/160e52847a778d---673180647.pdf
- https://akonis.ch/userfiles/files/funirevamiteki.pdf
- http://nyett.hk/uploads/news/files/judoginebaxukarajatijimu.pdf
- https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/3843f4utjb5vocprvafmtt2962/77518248996.pdf
- https://lesartsdansmonjardin.com/userfiles/file/20210523030915.pdf
- http://aldara-latinoamerica.com/userfiles/file/fuvemuwuw.pdf
- http://rafaelstore.ru/upload/files/69774024028.pdf
- https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/b92c7bd2875630f172c4b482faa556d9/wogova.pdf
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160773401a2a86---76407122356.pdf
- http://glenbrooksouth1970.com/clients/1/17/17fc1bd13d5538a69f39d58c869d2fc5/File/33814481880.pdf
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/160853473019c6---wodagud.pdf
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/a8d57fe899878ccdfcb0ffef3a728596/nuvemigatof.pdf
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cc6a8d7c93f---20214032727.pdf
- https://jmtours.co/aym_image/files/42359490148.pdf
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e3509e05890.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=espiritismo+livros+pdf
- 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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ee5b.bin2ef4e83d21b0a8ef9a4f3664617223f78b030bf2158a6d91d95b128945db9a25 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE5B | 10312 bytes |
font_01_sfnt_off00010596.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10596 | 16792 bytes |
font_02_sfnt_off00011da7.bin8511ae5743bdfff97fedf2b54cbe138fb8779d7498958e101d711cbde4c09cc6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DA7 | 16304 bytes |
font_03_sfnt_off000133df.binfcccfbb7e4a93c2cc3af03f3f7f8e96fb1dc61644eb3a06c801677d922989e48 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133DF | 2060 bytes |
font_04_sfnt_off00013d46.bin5e9f5a0b0190322bae295061faa0863a3f139ee703b9f217aa0f3d4462e9abff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D46 | 22796 bytes |
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