MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to lure users to potentially malicious sites. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://huntic.ru/uplcv?utm_term=ecclesiastes+study+guide+pdf PDF link annotation
- https://k-newsletter.com/ckupload/files/53838438736.pdfIn PDF document text
- http://beamstraffic.ae/amb/userfiles/file/xitovas.pdfIn PDF document text
- http://www.awakohchang.com/image/upload/File/utisotugifazenol.pdfIn PDF document text
- https://isabellepieman.com/userfiles/file/59088498563.pdfIn PDF document text
- https://topclassgardening.nl/images/file/laxinerodinemadu.pdfIn PDF document text
- http://chi-kara.net/Upload/files/56565784026.pdfIn PDF document text
- https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/933168d87b5637aa87beaa858133e59a/78821450755.pdfIn PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613544a3450f0---xoxedekigisote.pdfIn PDF document text
- http://voszveszprem.hu/_user/file/85432393238.pdfIn PDF document text
- http://controldellaves.com/app/webroot/arxius/file/zodulojomozaxi.pdfIn PDF document text
- http://onelove.cz/file/53717003470.pdfIn PDF document text
- https://nidi.mk/ckfinder/userfiles/files/30219679776.pdfIn PDF document text
- https://wittnebel.dk/file/favodamitumaf.pdfIn PDF document text
- http://malabarisproducoes.com/arquivos/files/24403406186.pdfIn PDF document text
- http://szentistvanpatika.hu/upload/file/xebisizijegisof.pdfIn PDF document text
- https://taumed.kz/upload/2021/09files/210924154734537332pmja7.pdfIn PDF document text
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613215bce9696---91927529518.pdfIn PDF document text
- http://hodori247.com/uploads/files/4376912485.pdfIn PDF document text
- http://pass38.com/images/contentimages/files/3927294472.pdfIn PDF document text
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/rpbtnt1vpspua8mp158t435ap7/12339973194.pdfIn PDF document text
- http://shqinze.net/admin/upimg/file///lewokuzalufowaximituro.pdfIn PDF document text
- https://drticket.ir/basefile/drtiketcom/files/29853860565.pdfIn PDF document text
- 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_off0000b376.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB376 | 10668 bytes |
SHA-256: e32d7fd86c699a07445f3bf83d8c653f44b03d4516b9009a022387785fa88a2b |
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font_01_sfnt_off0000cbda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBDA | 16976 bytes |
SHA-256: be3367fb1472ebd7ce932b282fbc53ce49fe5adb112a45e5c69b3c7d7e03a9bb |
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font_02_sfnt_off0000f6f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6F8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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