MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as a malicious PDF by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Several heuristics point to the document being a link farm hosted on compromised WordPress sites, likely intended to trick users into downloading malware. The presence of a 'download button' lure further supports this phishing attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9848
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607839cf8c94b---dubowezenuwonijef.pdf
- https://www.temsilcifirsatlari.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077737c93ec0---90591312775.pdf
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607e378c22884---jikusuketolanusazenumo.pdf
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b419728bd36---kesewomomegim.pdf
- https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/ca44d2402930554da5eb46336b07f591/82399828890.pdf
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/5smq567k9fts0p3sqr5v4ibou7/moseduzowubonegedewonori.pdf
- http://qca.ch/userfiles/file/40999887534.pdf
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/br8j0hbn0aispkr4bof48pe2im/61509915985.pdf
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3aa8da6f6a---ludani.pdf
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e375e5304f3---3461009555.pdf
- https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160988e9cc750b---80865275250.pdf
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/1607fd3b7aefc3---63842674935.pdf
- https://taperagi.com/contents//files/54645007217.pdf
- http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609234afd11f7---86441082985.pdf
- http://hopkinshigh62.com/clients/7/77/7764523e397120ad9b09b1da26998858/File/82602490009.pdf
- http://neoneofitou.com/ckfinder/userfiles/files/rutedefifemaposenitox.pdf
- http://www.grifin.sk/files/90856467616.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0b99704019---91863386506.pdf
- https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/be94a0497e36b7bc11e1778677f2a199/3653118622.pdf
- https://kristinanamaste.eu/files/seguf.pdf
- http://apcmagon.com/userfiles/bejerevuzeguviresit.pdf
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160affbf008c2a---67260063517.pdf
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/160871a47c4d96---75144133091.pdf
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092f7c1eba62---sikot.pdf
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/366989adcb1acf76e89a162e62e9322a/87233890621.pdf
- http://broadviewlibrary.org/uploaded_bvlib/file/jadizobedewibuli.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=how+to+highlight+a+pdf+in+preview
- 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_off0000eea2.bin28acc497e949a85e6cadc1fc92cb38358e860dfbb35e3f04c95cec470cc29911 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEA2 | 17564 bytes |
font_01_sfnt_off00011c79.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C79 | 16792 bytes |
font_02_sfnt_off00013490.bin7758d1e18ca7aaab620e6a72da630aa096c82a3fc6bdfde4fcba7b4b70158285 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13490 | 10752 bytes |
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