MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The file contains numerous embedded URLs, many of which point to compromised WordPress sites and appear to be part of a link farm designed to redirect users to malicious content. The presence of these links suggests an attempt to lure users to external sites for phishing or malware distribution.
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://catamma.ru/uplcv?utm_term=how+to+link+one+activity+to+another+activity+in+android+studio
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613e1cee7599d---43245627030.pdf
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16131c6e13568a---3583057452.pdf
- https://bya-ingenieria.com/ckfinder/userfiles/files/51436391469.pdf
- http://klm-co.ru/foto/ck/files/dilizigafisuwubawafi.pdf
- http://massimosusto.eu/userfiles/files/mumadenefakotid.pdf
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/161381d403c3da---xapukubetujesinon.pdf
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161362672d4d5f---7865926176.pdf
- https://butagallery.com/userfiles/files/tawimojuzojojole.pdf
- https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/b4873c51c847c645a8f2f43957880ed7/92297025181.pdf
- https://mimpiindah2.com/contents/files/vatineluxebaxuvawasabadi.pdf
- http://playoz.com/ckfinder/userfiles/files/64850417708.pdf
- http://dienvietbac.com/uploads/files/mezewojudujaziwodituje.pdf
- http://dohertylaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/95741115715.pdf
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161358b6003281---78526597926.pdf
- http://sevinctekstil.com/resimler/files/fujarozugus.pdf
- http://www.gieskestukadoors.nl/ckfinder/files/files/97718485124.pdf
- https://chptravel.ir/data/file/xaviwivufel.pdf
- http://www.julietlandau.com/fckeditor/userfiles/file/rupagagapojutakakejuno.pdf
- http://edilgroupdigiovanni.it/userfiles/files/bukifafufasupafofowati.pdf
- http://vattuxaydunghl.com/userfiles/file/69875908847.pdf
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/9c5a34bf0a9f32639287db5c2aab1b07/pazijeperadegaz.pdf
- https://essuances.com/ckfinder/userfiles/files/betibujujuwebufoguz.pdf
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143e182df537---rexepibovurizoja.pdf
- http://langeline.com/ckeditor/upload/files/buloregutowofulawen.pdf
- http://whatifitspossible.com/ckfinder/userfiles/files/fedisitaxiwupirufililaxa.pdf
- https://brianspradlin.com/userfiles/file/polexefadozosozodazotix.pdf
- http://szermgrt.hu/uploads/ckfinder/userfiles/files/27467873770.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_off0000ebe5.bin2756caac7a842f0f84f4629f114997b99a5dd810eeb263bb8322fae771a4b490 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBE5 | 19080 bytes |
font_01_sfnt_off00011e0e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E0E | 16792 bytes |
font_02_sfnt_off00013625.bin369723a8cab3393139f7571bae17ba7218ba1619c937bfe938bafcfbbe39a026 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13625 | 10916 bytes |
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