MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, with many URLs pointing to compromised WordPress uploads and disposable hosting, suggesting a phishing or malware distribution scheme. No scripts were extracted, but the structure and URL patterns are consistent with a phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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://optimuselearningschool.aels.edu/learning/site/images/uploadfiles/xawukixifilumakejawod.pdf
- http://acril.ru/ufiles/files/jedajexesulebafelilixike.pdf
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c08b207912---61043096332.pdf
- http://mtcnx.com/upload/fckimagesfile/62276984400.pdf
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/8fe60d547ee2803744048f4e38730359/44238398683.pdf
- https://promptcorporate.com/ckeditor/ckfinder/userfiles/files/16928596450.pdf
- http://polyalpan.hu/_user/file/sexoduwuwaxibesure.pdf
- http://ahkjt.com/upfile/file/44621459678.pdf
- https://mdteam.se/ckfinder/userfiles/files/74196903620.pdf
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/fcrujsb2q4khiin4algth95mt1/beriduveguzifaluwis.pdf
- https://slotpt2.com/contents/files/94209205404.pdf
- http://svazekobciorlice.cz/userfiles/file/52053907232.pdf
- https://balbok.net/admin/ckfinder/userfiles/files/bunikenabulezawu.pdf
- http://juncheng.tw/upload/files/76410098710.pdf
- http://hondasushi.com/uploads/files/gemov.pdf
- http://www.plain-pied.com/editeur/ckfinder/userfiles/files/sewegugoluxuxamujovotep.pdf
- http://angerdress.store/ckfinder/userfiles/files/91433193307.pdf
- https://elitstroycraft.ru/source/file/bajetosa.pdf
- https://dom4m.de/userfiles/files/limer.pdf
- https://christianbelieversmatrimony.com/web/christiansbelieversmatrimony/photos/ckeditor/files/68703364840.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=samsung+galaxy+grand+software+update
- https://rt9.rspo.org/ckfinder/userfiles/files/zodamapumelediwuvewavejiz.pdf
- 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_off0000b757.bin6f88c55f39543ac98a8b5b0e53ee368014e982f8f426fe87e4074e9c58441c8c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB757 | 11228 bytes |
font_01_sfnt_off0000d18a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD18A | 16792 bytes |
font_02_sfnt_off0000e99c.bin2b73dc27c6f13dc8c02e4f16f85b4443c537df1ecf7f27143b137bdccb2fc246 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE99C | 15652 bytes |
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