MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The file contains numerous links, many pointing to compromised WordPress sites, suggesting it functions as a link farm to distribute malicious content or conduct phishing. No scripts were extracted, and the document body was unreadable binary data.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://bungefamily.com/clients/5233/File/40036878202.pdf
- https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160758a1803b0d---jixetugomujoboborurodudu.pdf
- http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160d08964a662d---63312869859.pdf
- http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/1608dbf9c0f93d---95947826167.pdf
- https://www.citysecurity.org.uk/wp-content/plugins/super-forms/uploads/php/files/aciv15qdg7hm7fsde745idi9jj/18222863600.pdf
- https://capitaleny.com/wp-content/plugins/super-forms/uploads/php/files/f79175b197a84c3b7abdfa3e7dffb29a/kafilurabigoledomomej.pdf
- https://stbenedikt.ch/userfiles/files/satosamasul.pdf
- http://caycanhtuyhien.com/uploads/image/files/27088048389.pdf
- https://smilepath.com.au/wp-content/plugins/super-forms/uploads/php/files/564fab908c485481a69d49efc945166a/talipijupadarorimafa.pdf
- http://uralinteh.com/uploads/files/tiwodibukamidaza.pdf
- http://dekoblickfang.de/userfiles/file/43020325650.pdf
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/350eeb7e7b88f98640c87b12601046d8/bubodezopun.pdf
- http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160815d81ea20f---97893157041.pdf
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/88ee14777ab38970d7c711198385f68c/4660012359.pdf
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae2ef4f2a99---wutejomekisujit.pdf
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/160d5aca277cb6---95299778114.pdf
- http://backkwang.com/userData/board/file/tabukore.pdf
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/a23286b119cfbf0f4638a2bb032888f0/domavetusiba.pdf
- http://fashioneducation.ru/userfiles/file/nifalaluliwewodotovenupe.pdf
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/fde5a5903241e11817f94e8d45eda0fc/30487513749.pdf
- https://agentcctv.com/userfiles/file/gubajadulafodinujemajaza.pdf
- https://iominneapolis.com/wp-content/plugins/super-forms/uploads/php/files/3e609d12758966f3ca2f2fbd1cd0b73e/57284105958.pdf
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/2f2097f1f6ac12553ef85a4b5a984359/vezuxatef.pdf
- https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/5baff86d361f3ab52a238f23b17034d5/11098814766.pdf
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/2ab6ad04a26d4616cd4c2fe1e428c350/62719995269.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=lewis+dot+structure+nf3
- 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_off0000c25c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC25C | 16792 bytes |
font_01_sfnt_off0000da73.bin88dfab982d8bb5a584e6c82dd88064fb67136f6756ee011a43bedaba27f7b036 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA73 | 10576 bytes |
font_02_sfnt_off0000f2da.bin4e4d203750b337f139436997677f821ae3aa5e1f6988a24525634ac9e61a22c5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2DA | 15420 bytes |
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