MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by multiple heuristics and a machine learning classifier. It contains a link farm with numerous URLs pointing to compromised WordPress upload directories, suggesting it's used to distribute malicious content or facilitate phishing. The ClamAV detection confirms its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2b683de141---89523800320.pdf
- http://xn--e1aazeoc7d.xn--p1ai/images/shared/file/28592276738.pdf
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16070539faf05d---91890955991.pdf
- https://kingdomdatesuae.com/userfiles/files/buxerugixidesawewejufu.pdf
- https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/a4bbf35560142877c72279f17c9e825d/76549590926.pdf
- https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/v1hhbl9u458u5eqr6lq9pds0ru/zijabugudi.pdf
- https://cald-lighting.com/wp-content/plugins/super-forms/uploads/php/files/c58836f78ef1f3c430c85013c968fba5/71655577273.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d8410387d69---51015186023.pdf
- https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/a42cb22fb22d3207e866e3abb5451419/94274986667.pdf
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4e3d339796---96631981964.pdf
- http://absolutelyneon.com/userfiles/file/ruvijo.pdf
- https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/jvvb2j9gr6acaa0k8bo0v6us9b/45866790918.pdf
- http://maxtarget.by/ckfinder/userfiles/files/vofuvetipunoz.pdf
- https://bodwellassociates.com/wp-content/plugins/super-forms/uploads/php/files/1e939cf7f2c4487180bd848a1406e230/devafazakivorixukaxiwa.pdf
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/7e1452b7e8403b3a8b68a030ec92eaa2/73502770312.pdf
- http://alpha-th.com/userfiles/file/vakaravakojaw.pdf
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16071c33a88bbb---faripotadamejanivozimik.pdf
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afff1e492e0---torivifomik.pdf
- https://invest.pl/userfiles/file/67109541518.pdf
- http://conflictfreeelectronics.com/ourprojects/chowki/UserFiles/renuka/file/gusinuguwamenote.pdf
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4af2bd6949---losonadowem.pdf
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/2d9i64p8pi3ec569telrfqaqe4/20299588764.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=find+the+prime+factorization+of+210
- 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_off0000bbb7.binc24a680cac5fb9e0c6b37ac5de45eedd8ae004478e7eb2f1d451f969823b1828 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBBB7 | 15724 bytes |
font_01_sfnt_off0000e3ef.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3EF | 16792 bytes |
font_02_sfnt_off0000fc06.bin00b2f9dbdb76638286dd13c09a3fe0f7bd8c123edbf28dda960a334a23fca492 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC06 | 11004 bytes |
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