MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to compromised CMS upload directories, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded links are indicative of a malicious document designed to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9941
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 https://www.ideaklinik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bbe6e3ba1e---pasanawo.pdf
- http://arebiatours.com/uploads/files/90780746140.pdf
- http://henca.com/files/details/file/xebesojijuzuvudem.pdf
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/160812e7b36944---xejuvavodopebetatoxozewa.pdf
- https://sportsht.com/userfiles/file/manikiwulelowexopalemi.pdf
- https://www.spreefahrten-berlin.de/wp-content/plugins/super-forms/uploads/php/files/8f35d1g22qbkv81s9tl8clq9k4/zojatiziwe.pdf
- http://terredellamagnagrecia.com/userfiles/files/37362865346.pdf
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/67a15cf9323f97128434e70a7bca6fd3/69196956149.pdf
- https://codecs.ro/images/file/15180056615.pdf
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/160afa719c713b---lafajuliv.pdf
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c92d78a38ca---21297479953.pdf
- http://innovatepc.com/userfiles/file/49490181985.pdf
- http://tavernadelsnoguers.com/wp-content/plugins/super-forms/uploads/php/files/b10ec0290da61a405768519254611c36/77352053300.pdf
- https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/160e13d34c5ea8---vizomodozaro.pdf
- https://windsbs.biz/files/file/40120168555.pdf
- http://rapabzenec.cz/obrazky/files/48974044127.pdf
- http://sacoorhealth.pt/site/upload/file/dotejewizoverufazarukode.pdf
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce6947bf8e---muzakidonon.pdf
- http://aylincinarli.com/fckfiles/file/93899030958.pdf
- https://elminhaj.org/userfiles/file/76387309034.pdf
- http://alexandercdg.com/clients/36029/File/jatumobof.pdf
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/16070f2781b85f---68087330873.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=five+nights+at+freddy%27s+1+free
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001e122.binde5c17e477b831eee513647e2c3e6c7eb16e7f72382e7493c3ca3889df243d38 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1E122 | 10712 bytes |
font_01_sfnt_off0001f98d.binbd0f401ad0c58c71da8e443371660cde9df15375956120fe31d95b115fcfc8f3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1F98D | 17216 bytes |
font_02_sfnt_off000226bd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x226BD | 16792 bytes |
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