MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to distribute malicious content. ClamAV detected this file as 'Pdf.Phishing.Trojan', and ML classifiers also flagged it as malicious. The presence of multiple external URIs and a link farm structure strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9931
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://baybayankaauamo.com/clients/c/c9/c9e0f772d4a556598cfa564a27137582/File/46994996561.pdf In PDF document text
- https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/s8a95984s38k0720u3bh1nbbvf/xegemina.pdfIn PDF document text
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/7bd655e38edacc234224fe7e5477aba2/viwikebaparodi.pdfIn PDF document text
- https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/r4ico618p1ee3a7qsdetvsupvt/1257410662.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/98783092731.pdfIn PDF document text
- https://martybermanassociates.com/wp-content/plugins/super-forms/uploads/php/files/6a7bc875365aa58b664d0f4852c69015/1651809045.pdfIn PDF document text
- https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/nmn2nkl29ph9ecf6u1so75q4lr/55064147556.pdfIn PDF document text
- https://senhewood.com/d/files/wadiwubimazerinopenisij.pdfIn PDF document text
- https://caravanandre.it/wp-content/plugins/super-forms/uploads/php/files/42f0a3419c6e809448acb27f17666ddc/13698673014.pdfIn PDF document text
- http://hoshitorionline.com/uploads/files/valiw.pdfIn PDF document text
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160833c341f519---27162971920.pdfIn PDF document text
- https://dbjadow.pl/attachments/file/17387213889.pdfIn PDF document text
- http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1606c99184d598---76000311554.pdfIn PDF document text
- http://magooferta.pl/uploads/fck/file/nilegonasemapo.pdfIn PDF document text
- https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/eun98bf59uppu1c2r9uid7n1no/15661532552.pdfIn PDF document text
- https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/qb7154v41tvnolh5hbhf3be193/jurofinadetosi.pdfIn PDF document text
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5bba6e9ab---60646882898.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607c1d6987b38---84181397075.pdfIn PDF document text
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adcf7cd41eb---zukudegibi.pdfIn PDF document text
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073b64cdf5c3---74707553771.pdfIn PDF document text
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/1606e923cebac6---rodunuxapulaxizemidebelek.pdfIn PDF document text
- http://ankaser.com/userfiles/file/sajutizufezewozakiw.pdfIn PDF document text
- http://playfromhome.org/clients/4/49/49939bf6a151252ba1adfe53d1befa29/File/jeforofikiwebunas.pdfIn PDF document text
- https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/uegs0juak04mtk0i092fv1np8i/55910832636.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=uses+of+exclamationPDF link annotation
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/f51001140dad66812c8e64b364c490ec/kejopixasafuzoku.pdfIn PDF document text
- 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_off00014d6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14D6D | 10504 bytes |
SHA-256: 42e47065a9acd850363deebece077ef24a9af2bf39e4758946c9c6c3e3356cdb |
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font_01_sfnt_off00016556.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16556 | 17484 bytes |
SHA-256: 512c89a794bd5138b1ecbf3664981e2681bf8408dff57fe75a5994253dd3f0e3 |
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font_02_sfnt_off000192d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x192D8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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