MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains numerous links pointing to various domains, many of which are hosted on compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users to malicious content. The presence of these links suggests an attempt to distribute malware or conduct phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://skupka54.ru/upload/m/35518038307.pdf
- http://bertrandetgastineaudesigners.com/userfiles/file/476054357.pdf
- http://www.pattyn360.com/upload/forum/files/40347606745.pdf
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16076cbb98343b---mavabubovedirafefew.pdf
- https://megalightgroup.lv/uploads/files/21270128341.pdf
- http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092a56a78e94---72771501264.pdf
- https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/d26e2d38822caec687862d4fee844b4a/36408351019.pdf
- http://bycongroup.com/UserFiles/file/95051244535.pdf
- http://chaitraglaze.com/uploads/49806738058.pdf
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a9cddc4dce---29406236156.pdf
- https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d3978c43339---22183755018.pdf
- http://visusmarble.com/images_upload/files/9845273456.pdf
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cada7c1aec9---ronote.pdf
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b00985592a7---kipefuwixopuledusawezev.pdf
- http://bclgrouptt.com/userfiles/file/49216084660.pdf
- https://autotrans911.com/thread/admin/uploads/file/32254058778.pdf
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d4cf2a08b50---40785679218.pdf
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/160ccce8fa1c7d---kemora.pdf
- http://doubletroubels.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076571ec67b1---govikip.pdf
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fb25a3dd93---jaleve.pdf
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/rugpvb9ht7td6bmb1hghubarf5/fasopapuji.pdf
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/160982fce51478---1560300896.pdf
- http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/7g2g4ecgkndbvfumtpek2b1i82/46538382719.pdf
- http://nowyhotelik.pl/userfiles/file/rajosekas.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=convert+atomic+mass+units+to+grams
- 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_off0000d6e8.bin4ba4fd8511cd8f152bdb337e81bdb5dde847275064e2464e884c68922bcad883 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6E8 | 17492 bytes |
font_01_sfnt_off0001041d.bine179eb0bbb73cb9c584c9124cbd37aecebde0eba7d1aebc94f2e60813757bae6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1041D | 10724 bytes |
font_02_sfnt_off00011cdb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CDB | 16792 bytes |
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