MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, with numerous URLs pointing to potentially compromised or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of multiple external URIs and a link farm heuristic strongly supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://lacaune.hu/userfiles/file/97699287481.pdf In PDF document text
- https://mariellatriolo.it/public/file/suzor.pdfIn PDF document text
- https://publicbridge.pl/userfiles/file/kaxinunivunetamemo.pdfIn PDF document text
- https://gyn-koe70.de/obrazky/file/55344086404.pdfIn PDF document text
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160cd40bfb0d3d---39756928744.pdfIn PDF document text
- http://cdseoulps.com/uploadfile/fckeditor/file/95602650318.pdfIn PDF document text
- http://trans-serwis.com/userfiles/file/zoputiruvanizanegesuk.pdfIn PDF document text
- http://bjerkelunden.org/content/files/userfiles/file///63138755176.pdfIn PDF document text
- http://gongotour.com/FileData/ckfinder/files/20210706_BD6002B026217D37.pdfIn PDF document text
- http://mashtalkandil.com/userfiles/file/fumenezezowe.pdfIn PDF document text
- http://bitree.net/ckfinder/userfiles/files/pimivonesevugolugura.pdfIn PDF document text
- https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/26c430b21d1a355ad88c1d669f0bb121/28354777582.pdfIn PDF document text
- http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a8ff164f601---rorunafunubisurabofemopuw.pdfIn PDF document text
- https://vrindaindia.com/php/joseph/uploads/file/8983523068.pdfIn PDF document text
- http://mobilephleb.com/clients/2/2d/2d2188d13063160162e6e2bbcdac547d/File/11224518615.pdfIn PDF document text
- https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/09cb9ac81f8d31fe664a9b61ea8de5ca/dowizinomamonegakep.pdfIn PDF document text
- http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3f0352662e---29556785510.pdfIn PDF document text
- http://lifecare4all.com/upload/files/8160354656.pdfIn PDF document text
- http://antoniolescio.net/userfiles/files/70219849161.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=the+heart+goes+last+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_off0000daa0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAA0 | 16920 bytes |
SHA-256: d07274d0c38ab293cc44dd906b30309138cc3993c612ab1221a1bb836875f86f |
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font_01_sfnt_off0001065f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1065F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011e76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E76 | 10544 bytes |
SHA-256: 3f906d062b8e0a5f9183d5413ead623c558a97730c437b98c3c74a3a784ad042 |
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