MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous links pointing to compromised websites and disposable hosting, indicating a likely phishing or malware distribution scheme. The PDF structure itself does not contain readable content, suggesting its primary purpose is to host these malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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 http://apisicul.com/userfiles/files/44451063820.pdf In PDF document text
- http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608392331d784---32301845376.pdfIn PDF document text
- http://everestlodgelukla.com/userfiles/file/wugosizijaxejogezozawi.pdfIn PDF document text
- https://retta-bg.com/userfiles/86727205527.pdfIn PDF document text
- http://huerural.com/uploads/image/files/palanurulumakafij.pdfIn PDF document text
- https://gagiongvitgiong.com/ckfinder/userfiles/files/tuvabut.pdfIn PDF document text
- https://whatproperty.ng/ckfinder/userfiles/files/99755024843.pdfIn PDF document text
- https://indoshaolinkungfusociety.com/ckfinder/userfiles/files/vibabufimumadow.pdfIn PDF document text
- http://dahchen.tw/userfiles/file/82262027496.pdfIn PDF document text
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b2a7580551b---23739832212.pdfIn PDF document text
- https://millvalley.com/wysiwygfiles/file/66054611837.pdfIn PDF document text
- http://sevoir.hu/uploads/file/reruwebugevix.pdfIn PDF document text
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160a1231c977c7---xorovedusonubewojitu.pdfIn PDF document text
- http://psychologyforeverybody.com/ckfinder/userfiles/files/nulofinubotu.pdfIn PDF document text
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16089eb38292f3---tuwewonadigitawulizuj.pdfIn PDF document text
- http://xn--o39a91gvwm83kbsn.com/FileData/ckfinder/files/20210715_CF42A0151BD0C411.pdfIn PDF document text
- http://fogathajtohirek.hu/fckfiles/file/50811145131.pdfIn PDF document text
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/161118ef25b90c---66394855710.pdfIn PDF document text
- http://studiobardinisrl.com/userfiles/files/samugasitipesaxo.pdfIn PDF document text
- http://pinturasoltra.com/images/slider/files/96639368451.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=mtap+grade+3+reviewer+2017+pdfPDF 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_off0000b65a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB65A | 17556 bytes |
SHA-256: dbb95854af7a43a46937cf6d9ecbea65cbdc86a131a84c1b58d5a6eeb10b7217 |
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font_01_sfnt_off0000e460.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE460 | 10896 bytes |
SHA-256: 01cf11ec18778d6cbf8828f109d3f6c3e13c049147ba4c4171809d07c49576f1 |
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font_02_sfnt_off0000fdbc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDBC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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