MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by ClamAV as a phishing trojan and by an ML classifier with high confidence. It contains numerous links pointing to compromised websites, indicating a likely phishing or malware distribution scheme. The presence of multiple links to disposable hosting and WordPress upload directories suggests an attempt to obscure the final malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d76gj4kio8jkl1tpm1hfpe55f3/28029632892.pdf In PDF document text
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160cceebd03727---fewujurukumi.pdfIn PDF document text
- https://gwynharmon.com/home/gwyn/public_html/ckfinder/userfiles/files/fosonutelovo.pdfIn PDF document text
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/i7hnfkbml1755pbl06chmpuds5/90039363936.pdfIn PDF document text
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/bbcd5f1e5aed29f132ed449a43040c26/dexakufoxa.pdfIn PDF document text
- http://kperrylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tutuzulisede.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bf7b934888b---vinezekuzal.pdfIn PDF document text
- http://zwickerfoto.hu/_user/file/zumabofelogupesojuw.pdfIn PDF document text
- http://allseasonsart.com/uploads/fck_uploads/file/73077951426.pdfIn PDF document text
- http://singlesync.com/userfiles/file/tifesuwafipup.pdfIn PDF document text
- http://adance0112.com/upfile/editor/file/fupugojuxorolutirefe.pdfIn PDF document text
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160a26b10d10d7---xotojixaxamas.pdfIn PDF document text
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/16079c26fcc10e---10586849901.pdfIn PDF document text
- http://somsit.com/ckfinder/userfiles/files/wotirov.pdfIn PDF document text
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/ac919bbaddbad5cb55e6279181cc5730/85900657207.pdfIn PDF document text
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b52b9ebacac---vidotabaxubudixeraxa.pdfIn PDF document text
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c34ef04936e---zisuzepubetezodovuwox.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/c2e2d62c0840403ea5558710b3ad9b3f/47883660783.pdfIn PDF document text
- http://forter.vn/hinhanh/file/dodizon.pdfIn PDF document text
- https://angkoronetour.com/userfiles/file/32701830711.pdfIn PDF document text
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf675ac0d7---majolap.pdfIn PDF document text
- https://dianthusindustrial.com/resimler/files/94287723135.pdfIn PDF document text
- https://blugarden.eu/file/87245722645.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=a+pennant+shaped+signPDF link annotation
- 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_off000101e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101E1 | 10384 bytes |
SHA-256: 5da013bdcecbb07ec846a967d8442fe2c0f72b38b66fc20e760dbbece396be9d |
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font_01_sfnt_off0001191e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1191E | 16004 bytes |
SHA-256: e1ed044f0f7cb8e1723ae543991ab25a42e62a1440300b1004f7e794f2d2ef0c |
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font_02_sfnt_off00014267.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14267 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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