MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to compromised WordPress sites, and contains numerous embedded URLs that likely lead to further malicious content or downloads. The presence of a 'download button' lure reinforces the deceptive nature of the document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c33a3ae6931---puruxupupoj.pdf
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b5ad5496e12---balev.pdf
- https://coolinterier.sk/upload/files/65497705251.pdf
- http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607933817fc6f---jokopogufoxoteretuxuxuka.pdf
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/14ad92e9bfe00a5aff0d8a6c30733fd0/35469788403.pdf
- https://a2designbg.com/userfiles/file/vurux.pdf
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/c41aaededf12e1d43d0fb12799fec718/finuxozinagepivora.pdf
- http://arunimaflavours.com/userfiles/file/4639297251.pdf
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083f72941b3f---42130139669.pdf
- https://yourlightingbrand.com/wp-content/plugins/super-forms/uploads/php/files/05f6aa32dcf9423745eb96c500a7bf3d/23160037886.pdf
- https://koncnc.com/genelresimler/file/sefajuxikug.pdf
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607d90b181a40---17699335750.pdf
- https://canevastoilestjean.com/upload/editor/file/80609804680.pdf
- http://maynenkhipuma.vn/quangbasanpham/app/webroot/upload/image/files/64799958501.pdf
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/vrqcgl357c19p1v75vqtm76si2/7029685163.pdf
- http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d31bd756bd4---51157890831.pdf
- https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/l3j844hklvqb9c1ead9ns46h56/lajunamebegarupugumiki.pdf
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160c9a9b99681b---93418598715.pdf
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/5mcv6noiiovigrg5f3j01a5c2p/bexejewikajeb.pdf
- http://jucal.es/images/file/15958839992.pdf
- https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/scoaonn3hutrvcjoum6jtpcq44/rotavuluf.pdf
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609732660217c---depejulasipexoniguj.pdf
- http://deauville.ru/files/file/wodudopimelufezun.pdf
- https://soudurelauziere.com/upload/editor/file/wobemavevilif.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=digital+signal+processing+by+oppenheim+and+schafer+pdf+free+download
- 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_off0000f11c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF11C | 16792 bytes |
font_01_sfnt_off0001092e.bin2f7c593c93d9ec7880dfb71e0f882138197baa1bb18eb2db03812f235ae561de |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1092E | 17372 bytes |
font_02_sfnt_off000136ec.bin1ad9566a7afc4b8fe8286b124d5770e8ab4d954654e7724c4501b96d8ecc0892 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136EC | 11408 bytes |
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