MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous URLs, many pointing to compromised CMS upload directories, suggesting a phishing or malware distribution scheme. The PDF structure and embedded links are consistent with a link farm designed to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://philabc.ru/uplcv?utm_term=chaos+by+james+gleick+pdf+download PDF link annotation
- http://word.mn/uploads/assets/30569289336.pdfIn PDF document text
- http://pferdplus.at/sites/pferdplus.at/files/file/67062492456.pdfIn PDF document text
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/161396299ca7b3---41974016447.pdfIn PDF document text
- https://maharajganjtimes.com/assets/ckfinder/core/connector/php/uploads/files/vifeminapugilewuf.pdfIn PDF document text
- http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614e43573b7ef---xubulalinoxi.pdfIn PDF document text
- http://aquamedia.cn/ckfinder/userfiles/files/81781417671.pdfIn PDF document text
- http://psystems.gr/Administrator/uploads/userpics/OutPostImages/files/nabisozejir.pdfIn PDF document text
- http://simonkuehner.de/gfx/userfiles/files/7111742374.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/63j4cp6lsskieq3a8ttvdh7j1c/getelipi.pdfIn PDF document text
- https://adsbudget.net/userfiles/file/dasezudofu.pdfIn PDF document text
- https://www.ewdel.cz/ckfinder/userfiles/files/rijuje.pdfIn PDF document text
- https://sysyanginguvenlik.com/uploads/files/14304802963.pdfIn PDF document text
- https://www.ruchya.com.tw/upload/files/53422248222.pdfIn PDF document text
- http://frigotechreina.com/userfiles/files/nuwav.pdfIn PDF document text
- http://wxhsbl.com/ckfinder/userfiles/files/20210911_185551.pdfIn PDF document text
- https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140997a1120e---35490894954.pdfIn PDF document text
- http://arcstema.com/userfiles/files/37026563593.pdfIn PDF document text
- http://thayloilocnuoctaihanoi.net/upload/files/63078828331.pdfIn PDF document text
- http://artsar.pl/userfiles/file/51473122728.pdfIn PDF document text
- http://mijn-nederland.nl/userfiles/file/darugilebumoru.pdfIn PDF document text
- https://girisimhaber.com/uploads/file/romiwubu.pdfIn PDF document text
- http://kruengrangthai.com/files/files/56732760285.pdfIn PDF document text
- http://mvpbuilding.com/userfiles/file/doregutilax.pdfIn PDF document text
- http://wsospice.org/uploads/userfiles/file/file/lozasuxetanina.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_off0000b180.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB180 | 14696 bytes |
SHA-256: 087aa9adc58207f50569855e724385543be002dd715c7a830e6e322d5b95b120 |
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font_01_sfnt_off0000d67d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD67D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ee94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE94 | 11464 bytes |
SHA-256: b55b5b71d83b8654997d50866ba7827d9f2cbd7bccaac1bf43e474c1c18a3a0a |
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