MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous embedded URLs that form a link farm, with several pointing to compromised CMS upload directories. The primary purpose appears to be redirecting users through these links, likely to a phishing page or a malware download site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c2d87539d96---damek.pdf
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/160e85e262cde0---tuniwotukelexowafimux.pdf
- https://fundreamz.com/ckfinder/userfiles/files/3379050400.pdf
- https://iqmuseum.mn/uploads/files/83951590873.pdf
- http://celcg.pl/uploaded/file/62971260988.pdf
- https://ancoraeducacion.com/images/laberutaw.pdf
- http://xn--sanitrprofi-p8a.ch/fckeditor/editor/images/file/totajalajapiminivekojosa.pdf
- http://cartopack.com/Images/file/vojozurufadux.pdf
- http://affordableadobe.com/ckfinder/userfiles/files/93542672517.pdf
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16080ea01a79bf---dawanidemifaxarubakud.pdf
- https://gemwares.com/userfiles/file/rexaperasunavikopim.pdf
- https://indianhairtransplant.com/ckfinder/userfiles/files/varolapub.pdf
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160e1e0b6e847a---62418427854.pdf
- http://tpdw.pl/userfiles/file/95808910865.pdf
- http://www.rkcomdesignservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f6d18903a9---80853942751.pdf
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/8e6cf4f9bf0f89d44a6cb6ae7c4585b3/54673003313.pdf
- https://study4student.com/cache/fck_files/file/93939197178.pdf
- https://prosegik.com/wp-content/plugins/super-forms/uploads/php/files/e6da3adc3828443ab2fe82062bea2f64/3094435391.pdf
- https://www.burnat-provins.ch/ck/ckfinder/userfiles/files/49715848952.pdf
- https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/f39fe5228b1c98f5ed441b667be3880c/loleri.pdf
- http://arunimaflavours.com/userfiles/file/fipiwulewevuvosizosani.pdf
- http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c25351372d1---pabuwef.pdf
- http://xn----7sbakif2a3azdub.xn--p1ai/admin/ckfinder/userfiles/files/fekamerefidobegigupu.pdf
- http://ge-mak.com/files/wiwamo.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=ford+xb+gt+for+sale
- 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_off0000c2ca.bin596aa93c0488875f73d2b1eaa604f509a25cf0f32b73ed785d16438108f33153 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2CA | 15804 bytes |
font_01_sfnt_off0000eb8a.bin0f5ec07f263bcbb09d698c6426e2b93330c03a45dd475688d4ceaf1804f2d3fb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB8A | 10552 bytes |
font_02_sfnt_off0001038c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1038C | 16792 bytes |
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