MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as 'Pdf.Phishing.Trojan' and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting an attempt to redirect users to malicious sites. The embedded URLs and the nature of the heuristics strongly indicate a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://clarklawtexas.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/58485473217.pdf In PDF document text
- https://gotoko.com/cmsv2/upload/files/7755609389.pdfIn PDF document text
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1606e6e355e008---75950997685.pdfIn PDF document text
- http://esejsc.com/upload/files/88925050593.pdfIn PDF document text
- https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fdf61d3bc0---dezunoninazegezukojadilus.pdfIn PDF document text
- http://gourmethousemacau.com/UploadFilesfile///34127565973.pdfIn PDF document text
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9ab934bace---gipixufodavezonivifo.pdfIn PDF document text
- https://www.andrecampbell.ca/wp-content/plugins/super-forms/uploads/php/files/daaaa5214a2f094bcb67bde2e7b0d98a/lefisidusinilezapit.pdfIn PDF document text
- http://www.makattakasinti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079eca5d3f0c---mujupevitevepif.pdfIn PDF document text
- http://pandoreunion.com/clients/81456/File/zadulanigegava.pdfIn PDF document text
- http://www.aluvascientific.com/UserFiles/file/womosamakupetup.pdfIn PDF document text
- http://asdgolfclubtoscana.com/writable/public/userfiles/file/23853442667.pdfIn PDF document text
- http://mdbim.pl/ubezpiecz/obrazy/file/90929551165.pdfIn PDF document text
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/c5fe3d6fa322340d7538b83480dad7cb/69122464232.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608075cb1778e---57857237218.pdfIn PDF document text
- https://itchanoi.vn/uploads/news_file/jujokotofegur.pdfIn PDF document text
- https://blueridgelightingandcontrols.com/wp-content/plugins/super-forms/uploads/php/files/1837caaefb19800e833e83e4a3d0f9fd/45527977731.pdfIn PDF document text
- https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/35bd4aa2ebb07feb74a01020f2a4e4e4/98396168962.pdfIn PDF document text
- https://atlanthealth.com/wp-content/plugins/super-forms/uploads/php/files/cdf956a34548825a880102b463d54f27/mageliwerujiwiserirudo.pdfIn PDF document text
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f42b22d1fb---26587889900.pdfIn PDF document text
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b2c5d62f7ac---matiwikazi.pdfIn PDF document text
- https://micro-churches.net/uploads/file/92299275325.pdfIn PDF document text
- http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/lkqml8c82dlj76c20m0di18i80/farudedewek.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=ejercicios+de+movimiento+rectilineo+uniforme+acelerado+resueltos+pdf+3+esoPDF 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_off000111e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111E7 | 11232 bytes |
SHA-256: fa8045e0d4d1e6ba137a352800d3addd1411a194d3ab9e9ffdb5c8565b46b5e1 |
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font_01_sfnt_off00012c37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C37 | 18756 bytes |
SHA-256: 0b3e2c5768038377d86fea2f75be5b4b780827a2dedd6ec4c3f2f35727743b02 |
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font_02_sfnt_off00015c70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15C70 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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