MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, with numerous URLs pointing to compromised CMS upload directories, likely intended to lure users to malicious sites. The document body was unreadable, but the heuristic firings strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607f8e34196d5---dirogexifunatowefomum.pdf
- http://koszyczarek.pl/userfiles/file/43671399756.pdf
- https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072197b94ef7---nufodukixoxovajijo.pdf
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/6s948320oab2h5p0vgbh33pusa/jafukizav.pdf
- http://jtour.vn/userfiles/file/88206653556.pdf
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609632ce70e59---16836638042.pdf
- https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/160781eed362c2---dakitomaligego.pdf
- http://xn--o39a91gvwm83kbsn.com/FileData/ckfinder/files/20210605_678A0E61A29C7809.pdf
- https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a5de39b7a46---pisudixi.pdf
- http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160984488d97c1---jepibikopinu.pdf
- http://zulassungsservice4you.de/bilder/file/posugeruzuxawupi.pdf
- http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a962d8f419d---29532416731.pdf
- https://szalkasszorutacskok.hu/app/webroot/files/content/files/gaxodebavakanapanetatisov.pdf
- http://kasargod.net/uploads/file/xupituzewutowefezeliwum.pdf
- https://www.aceitedeoliva.com/wp-content/plugins/super-forms/uploads/php/files/6ca73f42d4afcf1aabc72af6d937c598/xuvojamagutaworubiwuxi.pdf
- https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/f127491895d111d7badafe5d70d48510/kimurefavubika.pdf
- http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/160833d6d87c29---midufar.pdf
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/cquc7evvnaot186ef0j6sas271/43849388795.pdf
- http://nemdanangpho.com/uploads/2021-05-28/images/files/munumiputiwodosiropejud.pdf
- https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608074c5ac1b4---17834960488.pdf
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606fcc47e9014---tuwolefimebu.pdf
- https://manenshop.com/upload/files/2927712155.pdf
- http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160806e3ad54ef---37158065623.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=types+of+deontological+ethics
- 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_off0000f1ad.bin73f18b17adee40f319e9dbfaa65ab718e437e51d19bc8d5d4ad6b94508fe05f4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1AD | 10876 bytes |
font_01_sfnt_off00010a96.bin461dbf22cb3623be4e3a9795d5cfaf7bc89ef83bcf0746f6e10255fede0204ac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A96 | 16576 bytes |
font_02_sfnt_off000135a8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135A8 | 16792 bytes |
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