MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload storage or disposable hosting, indicating a link farm designed to obscure malicious destinations. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 http://hoanggiaphatland.com/uploads/image/files/19227208157.pdf In PDF document text
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613d0ae1200ea---wutamanakolivefati.pdfIn PDF document text
- https://petrovsky14.ru/docs/files/4598574358.pdfIn PDF document text
- http://ahrestygz.com/userfiles/files/20210903_141738.pdfIn PDF document text
- http://diversecityuk.com/userfiles/file/xigokawidej.pdfIn PDF document text
- http://z500.si/files/kixuketepezakotobijote.pdfIn PDF document text
- http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161317dfbe8745---mewiwo.pdfIn PDF document text
- https://bawwabatrizq.com/userfiles/file/25998682709.pdfIn PDF document text
- https://serviceelectric.ca/userfiles/file/64747839422.pdfIn PDF document text
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/0cb4c8f947c8ce9d358ffd9999840290/98085259824.pdfIn PDF document text
- http://goldenpeak.it/userfiles/files/zajimepedawopagidewiroje.pdfIn PDF document text
- https://tommytest.dish1314.com/data/html_editor/files/vukodeto.pdfIn PDF document text
- https://studybrilliant.online/app/webroot/img/userfiles/file/betejerebazivagagudamowiv.pdfIn PDF document text
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fd248c5240---fatofadegumega.pdfIn PDF document text
- http://gaia-onlus.org/userfiles/file/kepuzewowuzowisukiladalag.pdfIn PDF document text
- http://www.protectakoteasia.com/ckfinder/userfiles/files/kofaxusipomitazoda.pdfIn PDF document text
- https://pharmnet.cz/ckfiles/files/files/26720496951.pdfIn PDF document text
- https://rainbowfurnitures.com/files/files/tifiwado.pdfIn PDF document text
- http://stevis.cz/files/file/14463814784.pdfIn PDF document text
- http://mdbim.pl/ubezpiecz/obrazy/file/10151157620.pdfIn PDF document text
- http://busangh.com/attfile/fckimg/file///202109025852_967840961.pdfIn PDF document text
- http://gz-theoutfit.com/UploadFiles/FCKeditor/20210913050106.pdfIn PDF document text
- http://abnig.friendship-match.com/upload/files/jumodekunomunoxekogobod.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=free+totok+hd+video+callsPDF 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_off0000e818.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE818 | 18172 bytes |
SHA-256: 5f4c990740be028bbab23516ec78dc809d04f1ee7fb39cac3901cfb28ca04a56 |
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font_01_sfnt_off000117a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117A5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012fbc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FBC | 10500 bytes |
SHA-256: a1ede3fe9fc956b3a6ca707c352b3855edc4413aab2a4372394c7ebee97b308c |
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