MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, presenting numerous URLs that lead to potentially compromised websites or phishing lures, such as the URL containing 'android+1+subway+surfer+hack'. The PDF structure itself is also noted for containing a link farm on disposable hosting, further supporting a malicious purpose.
Machine Learning
- Nyx PDF Classifier malicious score 0.9944
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 https://queure.ru/uplcv?utm_term=android+1+subway+surfer+hack
- http://frankslawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zizev.pdf
- http://hoangduy.vn/vn/files/kodizotagupakaju.pdf
- https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/d31e3be086cbe0be1b31173017484994/ribafowirenanurowiraba.pdf
- https://apz-arte.com/ckfinder/userfiles/files/18487671084.pdf
- https://tiguan-wiki.ru/file/52938806060.pdf
- http://gianniarnaudo.com/userfiles/files/38271394871.pdf
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/9df7c92fb76d17a635e3695c21526b42/78473990857.pdf
- http://www.enredmail.com/templates/files/idCliente_/file/56514090817.pdf
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073a19e4793b---rotipek.pdf
- https://clearpatth.com/userfiles/file/36853250193.pdf
- https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/gewafunonolaxifawa.pdf
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/4f9b7ddff9f6d5cec9f999a863e74c6e/vefaduzerixoru.pdf
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607eae8bcdcdc---zebanuremuvujatolasorov.pdf
- http://agiusfuneraldirectors.com/files/file/47963216167.pdf
- https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/9e7f1b75d528be8eae1c478cbc8b8860/fexukolokin.pdf
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608c59039c854---vavesarediz.pdf
- http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/b652d6d97d3d66b21165cf603f408b9a/fetoxumimitojiku.pdf
- http://01host.ru/userfiles/files/wexaparozemu.pdf
- http://sfalojistik.com/userfiles/file/86179674679.pdf
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/1608949387c495---71320636892.pdf
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607de59318c38---waduxegujafomupida.pdf
- http://trimblehighalumni.com/clients/84492/File/lolemomufazegeriwiw.pdf
- http://www.kowel.com/ckfinder/userfiles/files/1627963844.pdf
- https://caror.hu/ckfinder/userfiles/files/17989342855.pdf
- http://studiopignotti.it/userfiles/files/47074918450.pdf
- http://ginzaoakland.com/uploads/files/88503941925.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_off0000e075.bine58ee934cb5519ca4826505006d1d3be43c5195142a08e9eeb344b5f2427f7d1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE075 | 10996 bytes |
font_01_sfnt_off0000fa16.bin6305f7dccb7943d8567d3f7607274537fb0d5cce2888fd881b5061b65a000a06 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA16 | 17932 bytes |
font_02_sfnt_off000128dd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128DD | 16792 bytes |
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