MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous embedded URLs pointing to compromised or disposable domains. These links likely serve to redirect users to phishing sites or download further malicious content.
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://sjzhtchem.com/upload/files/suvorilozotuwopominafa.pdf
- http://salkim.com/userfiles/file/xenew.pdf
- http://ets-sptk.ru/pic/file/xakodafedig.pdf
- http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/161393a78e127d---7664128069.pdf
- http://veterinariacomportamentale.it/userfiles/files/fofimijopukinijuzop.pdf
- http://filippodelvita.com/demo/userfiles/file/visinifolovabukebom.pdf
- http://bisenzia.it/userfiles/files/kitulowatugodedisonipesi.pdf
- https://www.psk.com.au/application/third_party/ckfinder/userfiles/files/60325556121.pdf
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/161404d61d0d57---8561680798.pdf
- http://erulingua.hu/uploads/content_files/files/momipufijokilukalowesexeg.pdf
- https://ecotranslation.ca/upload/editor/file/10385350762.pdf
- https://pametnidom.hr/pametne_kuce/userfiles/file/51674356794.pdf
- http://cornaredo.gattinonimondodivacanze.it/themes/userfiles/files/nawamunorodosinatisurajip.pdf
- http://jucal.es/images/file/72163339608.pdf
- https://eliteplacementagency.com/uploads/files/70910942003.pdf
- http://sanxuatbanthinghiem.org/app/webroot/uploads/files/zelomivudixuwavexud.pdf
- https://ppuhperspektywa.pl/files/edytor/file/mezatugovanifebozupo.pdf
- http://contextuae.com/resimler/files/88621148066.pdf
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/16150050168b58---9942937378.pdf
- https://aucordechasse.fr/vosImages/56469164605.pdf
- https://eastmangroup.org/ckfinder/userfiles/files/75591250148.pdf
- https://bda.ch/ckfinder/userfiles/files/67323510681.pdf
- http://www.mab-solutions.fr/upload/file/gekorofuwafepu.pdf
- http://www.stadion-zarya.ru/ckfinder/userfiles/files/36335501167.pdf
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16131afff5f71c---52602972097.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=steroid+muscle+gain+vs+natural
- 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_off0000b228.bin7da0271d58e18b177556ea66c8d4ae14d75ecc9d0c2def39cf36c63076865199 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB228 | 10956 bytes |
font_01_sfnt_off0000cb58.bin7b44839e8692511662269b86bfdf90e09c2ed097a0750be290dc564a6a3040b8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB58 | 16548 bytes |
font_02_sfnt_off0000f4d5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4D5 | 16792 bytes |
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