MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is identified as a malicious PDF by ClamAV and ML classifiers. It contains numerous links pointing to compromised CMS upload directories, suggesting a phishing or redirection scheme. The presence of external URIs and IP literal links indicates an attempt to direct the user to potentially malicious content hosted on external servers.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://thailaundry.com/imgUpload/files/siwugizemepazude.pdf In PDF document text
- https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/th1jeodjj5ickqctorvijfpeqn/20694022886.pdfIn PDF document text
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/160a63e7746e25---gulofima.pdfPDF link annotation
- http://kleiberit.ru/files/file/duxuxiwenuzof.pdfIn PDF document text
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16094a511b4893---rusolanefetu.pdfIn PDF document text
- http://boxerdapolenta.com/cmsimple/images/file/52127761059.pdfIn PDF document text
- http://ytovietnam.net/ckfinder/userfiles/files/82492959801.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/hgpu2cojsekqv9njckgjthia8g/78886379722.pdfIn PDF document text
- http://vytvarnyobchod.cz/UserFiles/File/sunatedafaluvudapupivi.pdfIn PDF document text
- https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/56008b34dc995870f5ffbddd9ad0a99c/rokedoz.pdfIn PDF document text
- http://andrelandberg.com/userfiles/file/jabavakutidiluzusel.pdfIn PDF document text
- https://hospvetcentral.pt/site/upload/file/89837681882.pdfIn PDF document text
- http://wrtour.com/FileData/ckfinder/files/20210614_48A45E0FA423E7B8.pdfIn PDF document text
- https://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/vgloutsveqee7kio1jdpuco6e8/neridupewuvovowogixaw.pdfIn PDF document text
- https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa9c22bc70a---33295710161.pdfIn PDF document text
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085ca1a2925a---14983670173.pdfIn PDF document text
- http://xn--80akazwaeiw.xn--p1ai/editorfiles/file/8444807950.pdfIn PDF document text
- https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/df8092531b7875c806806a603bec1bf5/zoxonikagasupuxapupu.pdfIn PDF document text
- http://www.la-rocca.pl/app/webroot/files/files/gijanuna.pdfIn PDF document text
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7843e66dea---34077895748.pdfIn PDF document text
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3cc6e99250---11052113494.pdfIn PDF document text
- https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/1f37de3f4ba822890cff32ad9ac2db75/sujexufun.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/f91e263e58597205bb789af256c23cfc/11515772010.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=jesus+and+the+money+changersPDF 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_off000117ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117ED | 10884 bytes |
SHA-256: e47621044d5b5addff000bbfb57a4d80e4d53919e1df0997240d3d7b32c6a745 |
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font_01_sfnt_off000130c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130C4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000148d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x148D6 | 17624 bytes |
SHA-256: 42845f180884dc94cfdf6f1ab3ee47f51eaf2fe94b4013ded4f6cb99a5f83b4c |
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