MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The file functions as a link farm, containing numerous URLs pointing to potentially compromised websites or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of external URIs and link farms on compromised CMS upload storage further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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 https://allytemp.ru/uplcv?utm_term=crooked+river+state+park
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/160708473a5d64---vorulitexovulesefisowo.pdf
- https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160722da33b43a---50567634407.pdf
- http://kengosushionlineorder.com/uploads/files/jeturuxizikulib.pdf
- https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/bd8bcfc0bc492493a307bb1528e2dd43/82299386661.pdf
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160acbe3246091---gevalizeveb.pdf
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085d0b58577b---jogogajuvasemojisojinuna.pdf
- https://egyptsuntours.com/userfiles/files/10925635343.pdf
- https://euroroma-bg.org/files/file/sitipovodawowajikumetukob.pdf
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160ae849ca17ab---89248513192.pdf
- http://www.alexgis.com/siteuploads/editorimg/file/mezedip.pdf
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160795fe105a7b---gugosama.pdf
- http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078c2200bfce---31461317490.pdf
- https://ecobox.eng.br/wp-content/plugins/super-forms/uploads/php/files/kf11mhmmendjnutvj8t0n28nv3/figelepemibuvimalo.pdf
- https://asiarsolutions.com/userfiles/file/7307896211.pdf
- http://beerskiboot.com/img/upload/file/woresoxakegolo.pdf
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160bad9804522c---deroner.pdf
- https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/vv9jbosp9dc04iklo4ip74i1fb/9165779795.pdf
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077a57c4f5bb---8426506974.pdf
- https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/828410ce72596f722bb3ab1a7f4ad426/pivinirezubufibiteluxosoz.pdf
- http://www.associatedomains.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a91e443c3c7---sibegasilivefuxobamuzopa.pdf
- http://thegioidahoacuong.com/uploads/image/files/didosupitato.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b6f834e775---futozanaburorupu.pdf
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/iic4jfn7jf1qtacl06t4n6dhih/ravuririro.pdf
- http://www.rkcomdesignservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160729dca97f29---4676504027.pdf
- https://sacc-la-chaux-de-fonds.ch/fichiers/file/57639178678.pdf
- https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/223cb8b38c654c0495dfbd684cc7108d/jabivozemazovodududepofi.pdf
- http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cf99293b19b---16745065001.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_off0000f113.bind16d1157ffa3aeb9021be3e8e7b4ea44dced4a976dbb6c762ca04346b737d4f6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF113 | 10424 bytes |
font_01_sfnt_off000108e5.bin087a1ee98f58d9edeb89822d4917055d0ef6dcca0fa9c7584d8696f6cfe7d058 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108E5 | 17584 bytes |
font_02_sfnt_off000136c7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136C7 | 16792 bytes |
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