MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as a link farm pointing to compromised CMS uploads, and ClamAV detected it as a phishing trojan. The embedded URLs suggest a phishing or malware distribution campaign, likely delivered as a spearphishing attachment. No scripts were extracted, and the document body was unreadable binary data.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://ailani.org/wp-content/plugins/super-forms/uploads/php/files/792959535bebf5f0687da77f67541ce1/4604803513.pdf
- https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/15214219881.pdf
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16079de740552f---80355014971.pdf
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a171b9791c3---gexatinekizovesa.pdf
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/h960n2s23t2fsmgpclvkvo09et/webutok.pdf
- http://ekachaiguitarist.com/ckfinder/userfiles/files/19030931991.pdf
- https://accesoriosalmayor.com/images/userfiles/file/zululurovogozemafimodi.pdf
- http://china-hold.com/UploadFile/file/20210525030010457.pdf
- https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/fe6a6a691e95a1743f0a3dcb53c99ea0/xuniruravimit.pdf
- http://travisreunion.com/clients/1/1d/1d9c560ef9ee6310b862f4c9d288d7bd/File/22896532774.pdf
- http://www.awakohchang.com/image/upload/File/7959489728.pdf
- https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/c82bec162a7a317e395ecc6a908ea8f3/duvovenikazeropiluza.pdf
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/2c56d28f41a6319ea59e9f2dd7daa35d/zonefewikam.pdf
- http://builderall.info/userfiles/file/4429519771.pdf
- http://vietxetai.com/wp-content/plugins/super-forms/uploads/php/files/i2h141oj6n9ik6iatk9vn56v68/vobiraveladufobu.pdf
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/jbe12bk6f6vsujmvoeglis3v83/vosifosonupesomu.pdf
- https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/bt15keo1cmk8041ianja48mkr7/10096331476.pdf
- http://aircond.md/upload_fck/file/72327884633.pdf
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a4d5bb2bf32---50271648391.pdf
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b1c7adb98a7---81943638255.pdf
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7fd7bcd12e---xuvuxubumatege.pdf
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a09b3031cf5---lepameb.pdf
- https://abugfreemind.com/userfiles/file/25354524555.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=bible+verses+for+going+to+college
- 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_off0000edbb.bin62c704278107f870d9586319312ad479cb4facf1c475a1924a50637b5a0da2bc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDBB | 17404 bytes |
font_01_sfnt_off00011a53.bin05634d8f1432116def37a2a12adbc7d3c7218fe6e94085c4dea5fc4a989e72ad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A53 | 10608 bytes |
font_02_sfnt_off000132bd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132BD | 16792 bytes |
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