MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to compromised WordPress upload storage, suggesting an attempt to distribute further malicious content or phishing pages. The document body is unreadable, but the heuristics indicate a malicious link farm strategy.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c919dac0e3---1345802432.pdf
- http://capitaloffice.pl/fotki/file/44897246619.pdf
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b5f4084c598---67970459467.pdf
- http://a899.net/userfiles/file/visewamediwesebavumiwer.pdf
- https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/396db1cfa059edb28a23fc9c4413cdd0/74836764782.pdf
- http://interel-rus.ru/test/sites/default/files/file/mokikir.pdf
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16104a5f469487---sawena.pdf
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3cff7c00c0---97674837449.pdf
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/pjqrb8vsmuq146od8kkn679r1i/zosugowawidesuvazirun.pdf
- https://pindimana.in/uploads/file/kujolibo.pdf
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/n4f4ol3e4b5racj6mbh3cs0f14/mixun.pdf
- https://vientangluc.com/upload/files/pamotoreguwogoruf.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/5baa175249a442dd7a760a13bad972c1/juxedemewu.pdf
- http://klubbelgickychobrov.sk/editor_uploads/files/3719288577.pdf
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/70fed74f533496deeedf034196d66835/jinaxoxatorax.pdf
- https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607c0a369c753---43096523793.pdf
- https://aedwea.com/upload/foto/88282465228.pdf
- https://aparcaderoshaddaichile.cl/uploads/images/files/132097700.pdf
- http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081ae96031a8---wexitovineliwividakuweli.pdf
- http://winhazel.com/indigo/ckfinder/userfiles/files/vevizeruganidifevatesu.pdf
- https://doellefjelde-mussemarked.dk/images/newsmail/file/vuvawijadojax.pdf
- http://metapolar.hu/tmp/janazuforonefukabuwa.pdf
- http://myhomeinparis.com/userfiles/files/53120788076.pdf
- http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b657769e06a---93967155417.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=biblia+patristica+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_off0000e4b8.bin67d4df49a1498bb8e13b1445e8842f8c55461d9d6ea026f2b16853f7448c6f84 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4B8 | 19108 bytes |
font_01_sfnt_off00011625.bind9bbadfb10b0f3f976a0a463bf5af68fc42ea6cc9f2c83682841c824d900c9e7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11625 | 10452 bytes |
font_02_sfnt_off00012dc8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DC8 | 16792 bytes |
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