MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to numerous external URLs, many of which are hosted on compromised WordPress sites, likely to facilitate the download of a secondary payload. The presence of a 'download button' heuristic further supports this phishing-like lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9902
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://laborke.ru/uplcv?utm_term=beltron+stenographer+previous+year+question+paper
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a6d2f185bd1---14446588850.pdf
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/2af7a7ca262c288fed90c1047a411bac/45568513310.pdf
- https://aquafilling.com/userfiles/file/tasixavabamoropovazil.pdf
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/16075a31ec2672---wobipanudolim.pdf
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b54e4c648a---32159755139.pdf
- https://al-farh-iq.com/upload/userfiles/file/83594045997.pdf
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160832724df44f---97460831068.pdf
- http://wisdomtours.net/upload/file/20498303398.pdf
- https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/klus2ahhsootoeplt2abop5qb3/fapowajakexawilifozokuwe.pdf
- http://tantusmarina.com/UserFiles/file/kejofixugadu.pdf
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160911a024cb36---zonelazirumov.pdf
- http://zpb-maciejewski.pl/upload/fck/file/giwawerulut.pdf
- https://www.aserspa.net/wp-content/plugins/super-forms/uploads/php/files/iikmv0nm0dlrvlr8cuji2kt7e8/43158350410.pdf
- http://dichvutheapec.com/upload/FCK/file/rafelorepujinog.pdf
- https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/9d33d57677b87671c324bd98f2f22f57/wuwebogumozin.pdf
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606fcba448176---sevite.pdf
- http://angeladaniel.eu/uploads/files/beruxiwu.pdf
- https://www.reachcast.ca/wp-content/plugins/super-forms/uploads/php/files/287a1b19bd74000701f649f1b52459ce/jexazoxogikolopulotad.pdf
- http://rolmech-strzelno.pl/Upload/file/78198908431.pdf
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608797bce3e28---6039586075.pdf
- http://alfavit.tv/userfiles/file/30925100288.pdf
- http://krikrik.ru/uploads/ckfinder/files/zirunod.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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e37d.bin5b3c947262022625ef2d4cfb2d0fa10a94f23c97611fd4c7364bfcc62a76ce6a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE37D | 1732 bytes |
font_01_sfnt_off0000ebb2.bin33be2743129c4a27bd1bf2c1fae17e4d207fac2e7bc61bd4e8371763e4b7bb9c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBB2 | 11008 bytes |
font_02_sfnt_off00010500.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10500 | 16792 bytes |
font_03_sfnt_off00011d12.bind6297d5c98a0b2edd51c3c25f51b9b6844e045a1ae4dcb8ad05be6b89df5befb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D12 | 17328 bytes |
font_04_sfnt_off00014a87.bin9d5144547e0b729630886a3ad3ce48e7da84b0115899dd9c2390406af6f0fecd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14A87 | 16092 bytes |
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