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 ML classifiers indicated a high probability of maliciousness. It contains numerous embedded URLs, many pointing to compromised WordPress upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The document body is heavily obfuscated and appears to be metadata from wkhtmltopdf, not user-readable content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://itps-group.com/uploadfiles/file/41626544592.pdf In PDF document text
- http://detskaoptika.cz/ckfinder/userfiles/files/70112413141.pdfIn PDF document text
- http://akcjonariusz.com/UserFiles/file/mogag.pdfIn PDF document text
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/e1373d0e5e89e4fc0bb756c05e863ba0/gonozogusizuwegosujugipu.pdfIn PDF document text
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a1a035032f---nerorapenasuw.pdfIn PDF document text
- http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b6183de3e5---30363221087.pdfIn PDF document text
- https://accesoriosalmayor.com/images/userfiles/file/vukuvumupevizera.pdfIn PDF document text
- http://havefuntogether.com/image/upload/File/73013460145.pdfIn PDF document text
- https://ego-sofa.tw/uploads/files/202108211809111597.pdfIn PDF document text
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/d0a1f46cfa6015ec9186e0f8964f892a/88013887725.pdfIn PDF document text
- https://adci.vn/data/upload/file/73035316177.pdfIn PDF document text
- http://centralwestwoodclassof1983.com/clients/c/cd/cd4b3c89dd1500142a52f05b9125c350/File/2060915174.pdfIn PDF document text
- http://magicfood-cn.com/files/20210801135014.pdfIn PDF document text
- https://careersourcechipola.com/files/public/sofadilusufajuxibudil.pdfIn PDF document text
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/9ad2196cb9a6c504640b4e7d45b5ebf6/34800906352.pdfIn PDF document text
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073aed1ebaef---neralejif.pdfIn PDF document text
- https://megacook.pt/site/upload/file/kuzesidorubujepurowimukux.pdfIn PDF document text
- http://uamarkets.com/images/file/ravufosopadaboseg.pdfIn PDF document text
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d1792f21e2---78972077135.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/d4p739r0arp1cl0f42h1crg787/lifebux.pdfIn PDF document text
- http://metamorfoza-krosno.pl/userfiles/file/verifodor.pdfIn PDF document text
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7c2b55a451---boxadegesafutosexekevir.pdfIn PDF document text
- http://lamelove-zakryti.cz/userfiles/file/47737568811.pdfIn PDF document text
- http://www.alquilerbares.com.ar/wp-content/plugins/formcraft/file-upload/server/content/files/16072e5f275ac0---58740772829.pdfIn PDF document text
- https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/cdacf992dc6c78a7046f29f5b6a5e09b/gaxegeredogidoxe.pdfIn PDF document text
- https://ayurvedaemart.com/uploads/file/zafixexadowigo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=mbx+bristle+blaster+user+manualPDF 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_off0000d6be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6BE | 10484 bytes |
SHA-256: 14ff118158886e0d4ec6eeb2e5dc6c01e052965e7cedcc63d407ed5623ef576e |
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font_01_sfnt_off0000ee9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE9C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000106ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106AE | 18384 bytes |
SHA-256: 10d7ee8919c6c19d5f4c7791dc7ab52f62338b8465cf94879b84066394d43c52 |
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