MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
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. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://gesgo.de/userfiles/file/pokitu.pdf
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ibbo7gaeklhl9cu9mvsasnil35/18629686171.pdf
- http://jorkurojus.com/userfiles/file/18283969120.pdf
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d59d580cecd---36326822725.pdf
- http://thuocnam.xyz/images/files/dapevipul.pdf
- https://netpage.info/userfiles/file/82508996414.pdf
- http://studioindelicato.com/userfiles/files/50497216178.pdf
- http://22743333.com/userfiles/files/61422238560.pdf
- https://palet-school.com/files/files/10623759350.pdf
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a14c8df9b5---rujupeganowipopolanivopu.pdf
- https://ita.kru.ac.th/ckfinder/userfiles/files/turoze.pdf
- https://vinadesigndanang.vn/uploads/image/files/87399252230.pdf
- http://gdgom.com/upload/file/210801122827004922u1ut4xs83gmu.pdf
- https://watosaphotography.com/app/webroot/userfiles/files/20210730_124708.pdf
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/1607511a837071---97234668023.pdf
- https://unicornproduction.gr/wp-content/plugins/super-forms/uploads/php/files/9c7ddc9025de87c9f221cd96b0904603/30907834153.pdf
- http://www.rify.us/cms-uploads/files/86662232425.pdf
- http://papinchess.ru/userfiles/file/tagikuxapoxotifoberuj.pdf
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/48a29ff0dd1cc93a681a926d13868106/62479121269.pdf
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/1608c997a91baa---zafuwenixuwaroxidexil.pdf
- http://ingenermarket.ru/userfiles/mujuxozokipitemowolut.pdf
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160cc1906b38c4---42059243902.pdf
- http://dongphuctqueen.com/upload/files/figavaf.pdf
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/3868715c4cf0768704f58f267cfe9fb1/70538945945.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=american+inside+out+evolution+pre+intermediate+pdf
- 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_off0000bf38.bin87398d96a26dbd1717dce17095c8d9b3cdea474e1b48fa1a153f6c0eb8b7e4b5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF38 | 17616 bytes |
font_01_sfnt_off0000eb85.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB85 | 16792 bytes |
font_02_sfnt_off0001039c.bin7e4d8b9f5c39ab52e3f139c2ea6c09c06d8df3b1c77844a7cdfc6ce29dcf7310 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1039C | 10928 bytes |
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