MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links, many of which point to compromised CMS upload directories and disposable hosting domains, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085c0426eeba---13877098556.pdf
- http://fitnessklub-impuls.pl/uploads/assets/file/vorabudixobisuk.pdf
- https://abugfreemind.com/userfiles/file/sapawenigojem.pdf
- http://pospatrans.cz/UserFiles/File/gadabewaju.pdf
- https://willmarareachamber.com/ckfinder/userfiles/files/mazipegiritonasagigupub.pdf
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/9ak19tmuorrfels9kf1nh1ok9m/74542198885.pdf
- http://kvbm.org/pds/userfiles/files/fuvopumedemawejojuwurapax.pdf
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160713c3631298---zezimiviwubes.pdf
- http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/4sst3gaso70seo6vnd7nku8bk4/bujomenatirufatut.pdf
- http://microcement.ua/userfiles/file/86695601522.pdf
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1607db4681e90a---xigudipelopiwojepulura.pdf
- https://its-bulgaria.bg/files/file/mawerumejezeb.pdf
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b14d8dc92f---muruxilodekomuwenavilakog.pdf
- https://landbondcorten.com/attachment/file/15942779d602bf440ee3bc2ab7bc95c2.pdf
- https://telenovella-bg.com/files/vuguberokiletupufosow.pdf
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/676d3b283a3ac53f124d9fb9186613d6/zedosalonirenevun.pdf
- https://areicon.com/images/file/5714662394.pdf
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16076c85a381f9---43608229458.pdf
- https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160abb474c56ee---94965367704.pdf
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f5d056d124---sodiseburuliw.pdf
- https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2aab37c785---93221444554.pdf
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092bfaf73dce---43207987146.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=microeconomics+notes+for+ba+1st+semester+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_off0001355a.bin8f37ae486e0fefd33adfe397924a4bcef5f8305780619309c06baeb66a5e3544 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1355A | 17480 bytes |
font_01_sfnt_off0001625c.bin936bf33c8ca5be07532b7eaf6db64364e22b3507ae5a54905bfc0656b8f18c79 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1625C | 10920 bytes |
font_02_sfnt_off00017b83.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17B83 | 16792 bytes |
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