MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links, many of which point to compromised WordPress sites. The ML classifier and ClamAV detection strongly indicate malicious intent. The document appears to be a link farm designed to redirect users to external sites, likely for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/b93511cde495745d1b5b9a16857973af/ratananuz.pdf
- http://horizonpestservices.com/userfile/sevijujexilu.pdf
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fc787ad38a---lotemebis.pdf
- http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab3822d65aa---70047834285.pdf
- http://euro-ex.net/images/blog/file/27819359933.pdf
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/dc50c3c9f14466aeb263c562f2522549/mibabojamonaleji.pdf
- https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/6d1eab6f731cf04f7afdb12718fbae9e/davugawosugatag.pdf
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/32eba13fc4fc44b4cf0196948d7968a0/valirekiluvamugoxufime.pdf
- http://newdimension.su/userfiles/file/87478448982.pdf
- http://dreambeauty.kr/upload/fckeditor/file/midurilorofonitujekuwoki.pdf
- http://www.tramag.pl/upload/file/16603350530.pdf
- https://thetitangroup.ca/wp-content/plugins/super-forms/uploads/php/files/361e8ee26260b600998eb0f4c38b5132/pupaxodewebajokipazibon.pdf
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/16070b792dc8cc---bikejakizelesavokode.pdf
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a923e97e85e---19736966375.pdf
- https://daulte.ch/ckfinder/userfiles/files/wevazosaza.pdf
- https://mebelihome.ru/upload_picture/gokogesu.pdf
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/koierv0impgs9gcev29tmg21lk/sunogotojerivij.pdf
- http://ohxto.com/uploaded_files/userfiles/files/97734870371.pdf
- http://besteva.com/upload/files/varezipof.pdf
- https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/c7671e05ec1f11759b212b08724cae3a/tilupadijubirasadogenu.pdf
- http://ciccioinpentola.com/userfiles/files/57140554984.pdf
- https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c686aee5a01---15921224277.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=bio+for+drawing+artist
- 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_off0000e121.bin25e4a7cfb01c0693766648c61cfd0c4feb49463ac83e92f32cc666768b7a573b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE121 | 10492 bytes |
font_01_sfnt_off0000f8fa.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8FA | 16792 bytes |
font_02_sfnt_off0001110c.bin4595416e6bfa083d70e9e2a91af9303358bee68257b887f835b99feb12ae3eed |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1110C | 17696 bytes |
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