MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, many pointing to compromised WordPress sites or disposable domains, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or delivering a secondary payload. While no scripts were explicitly extracted, the PDF structure and link farm behavior are consistent with techniques used to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://allytemp.ru/uplcv?utm_term=how+to+combine+two+files+into+one+pdf+on+mac PDF link annotation
- http://azstorestudio.com/uploads/files/xafevemesezu.pdfIn PDF document text
- https://leanuslab.com/UserFiles/file/nimexiz.pdfIn PDF document text
- http://finadev-groupe.com/userfiles/file/13114553711.pdfIn PDF document text
- http://hoteldazegliotorino.com/userfiles/files/kupoxotixag.pdfIn PDF document text
- http://casier-a-bouteilles.fr/file/76895197293.pdfIn PDF document text
- http://cascad-trans.ru/files/givaxozuxawopajat.pdfIn PDF document text
- http://xn----7sbndn5at.xn--p1ai/uploads/files/85700860205.pdfIn PDF document text
- http://gist.adrianlechowicz.pl/userfiles/file/fakovosafawifekezudiwit.pdfIn PDF document text
- https://tekartltd.com/upload/files/zutofodubapukumiw.pdfIn PDF document text
- http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/2b69e77005601e5f5f3fd2c096ca18a3/38834752486.pdfIn PDF document text
- https://protrialse.eu/files/files/35966811203.pdfIn PDF document text
- https://aiaciran.org/cache/fck_files/file/gigumuke.pdfIn PDF document text
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613bce10d4042---49979026723.pdfIn PDF document text
- http://e-restauracion.com/app/webroot/files/uploads/files/99406537131.pdfIn PDF document text
- https://777mto.info/contents/files/kabokugilixid.pdfIn PDF document text
- http://funagamex.vn/PhuongNamGroup/userfiles/files/vumegajukitunekeregom.pdfIn PDF document text
- https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/c2eb586ba50cff2b3b0d6deaf7bcb8c2/jowefopom.pdfIn PDF document text
- https://aayams.com/userfiles/file/xifekudavuworibiwur.pdfIn PDF document text
- http://www.ville-dammarie.com/ckfinder/userfiles/files/tixiwilisi.pdfIn PDF document text
- http://www.miwon.vn/app/webroot/uploads/files/36671387196.pdfIn PDF document text
- https://fond.ru/userfiles/file/zetoberon.pdfIn PDF document text
- http://kamkmori.cz/ckfinder/userfiles/files/32338093746.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_off0000e674.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE674 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fe86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE86 | 18368 bytes |
SHA-256: 9264957928e270eb281f030de97836b70bbc61b353e1130d273bbdb895ee4f68 |
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font_02_sfnt_off00012e48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E48 | 10900 bytes |
SHA-256: 94d028b3d2b5915714ad6d695767cb86a42edec11327067c84c8dec6fcbd9b12 |
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