MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm with numerous URLs, many pointing to compromised CMS upload directories, suggesting an attempt to lure users to malicious content. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a pattern of using disposable hosting for these links, further increasing suspicion.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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.urbanwaterways.info/files/22696481788.pdf
- https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/vl0j57qjeevel841ak5s7764l6/melebobidelivatijej.pdf
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070bb31a1c28---xawololofizusevizawaga.pdf
- http://massvt.sk/editor_uploads/system/files/32193788458.pdf
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5fe8e5840d---87949931002.pdf
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/79e7d34a22f4ecf13a91931008377b34/89087268747.pdf
- http://myhomeinparis.com/userfiles/files/jalajixefujofivasisoni.pdf
- http://beijingxinzhi.com/userfiles/file/20210510105523_1312173546.pdf
- https://intervalhousehamilton.org/ckfinder/userfiles/files/99829417884.pdf
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/c7pmalqbj5o87fubq4507is4eh/52661748911.pdf
- http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609871eda0891---74581933219.pdf
- http://www.celso.org/download/41183540952.pdf
- https://noithatkuongthinh.com/uploads/files/luvome.pdf
- http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a0f9be284c---mawisudujipegaporoj.pdf
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609edfdd1abb9---juzupiloroviruvojataxur.pdf
- https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/22ff8862856b9f280d630f93da714f09/tomawulobogaxagojadolipif.pdf
- http://xnucleus.com/members//member_images/files/gusudopanawaninuvijozixaj.pdf
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160921e77143a5---zobipoziwelulesevok.pdf
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080371460679---kipijadimuvuzawodejozun.pdf
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/q8dvc19mgcap04la5431o5ug01/97864124117.pdf
- http://alliusie.com/userfiles/file/pubutovidipesotun.pdf
- https://taxiparga.com/wp-content/plugins/super-forms/uploads/php/files/dc95d6b7ae4e5ffadafaf3fc58087e7e/49099621135.pdf
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/042bdaa0c31b020430b526180db616e0/fosugivedirajafir.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=imovie+video+and+audio+out+of+sync
- 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_off0000e7e3.bin73b0e4b4c9175fa1e4543319918032f2ef1517d6d62e2650c108b5cd6e3fcd28 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7E3 | 10720 bytes |
font_01_sfnt_off00010096.bin517cc42606c68a0f745a3552538c62510bc4533bc5118b34db2faa5bd43cc29f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10096 | 17376 bytes |
font_02_sfnt_off00012df8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DF8 | 16792 bytes |
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