MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The numerous embedded URLs point to compromised CMS upload storage and disposable hosting, suggesting a link farm designed to redirect users to malicious content. While no scripts were explicitly extracted, the nature of the URLs and the detection indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://stellarp.com/userfiles/files/34733456567.pdf
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/160814308d85d3---69469511608.pdf
- http://elisa5888.com/shopadmin/upload/files/zarubewapitusi.pdf
- http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160813d7c05510---ralam.pdf
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160cc9305137d0---83689572116.pdf
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/1606f68a37e70f---86185915746.pdf
- https://plswa.com/wp-content/plugins/super-forms/uploads/php/files/d9c25ecde789aabbfb514155fda7b521/14921040395.pdf
- https://www.charroninc.com/wp-content/plugins/super-forms/uploads/php/files/2e1219ffae8aa856491ef0e7f0f58e08/lapugaxinipuva.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073db4d9b45a---rejupaxigeribupekafa.pdf
- https://indacphuc.com/wp-content/plugins/super-forms/uploads/php/files/8pqumd402jfbgm16m46h2231j8/32823294454.pdf
- https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/9947afb637070cff80a1110a385bb7ab/18774660493.pdf
- http://studiocinti.eu/userfiles/files/28143335926.pdf
- http://2016montemayorreunion.com/clients/e/e5/e530e98a7ee505477716bae2fe71cdef/File/fiwixade.pdf
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/16086f7208a156---80025718818.pdf
- http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160e3714624f85---54825245367.pdf
- http://vds-construct.pl/userfiles/file/3618101433.pdf
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/160940837eef5b---85169003828.pdf
- http://pinzimoniofiumicino.eu/userfiles/files/98023238469.pdf
- https://autoandtruckrepair.net/nbloom/fckuploads/file/59002388433.pdf
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16076c57b562bc---39530734709.pdf
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607ae4abebab3---likivibe.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=silica+in+desiccants
- 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_off0000ea49.bin832bf35b59deb7536cf2f660eac4f44b00a39dd28aeaa4542ca1a28f6ed01652 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA49 | 18156 bytes |
font_01_sfnt_off00011975.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11975 | 16792 bytes |
font_02_sfnt_off0001318c.bin94627e7a3b0ab3833fdaa140c14b37e5ffb1ed2520b263cca5a7a6ecbc46c6d2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1318C | 10220 bytes |
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