MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to websites hosted on compromised CMS platforms and disposable domains, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, classifying it as a phishing trojan. The embedded URLs are the primary indicators of compromise, likely leading to further stages of an attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9922
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://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/64b5ae92c089f6c47ec946acf94cec72/9456172831.pdf
- http://sugarfree-gelato.com/upload/file/69102345654.pdf
- http://badischer-kunstverein.de/ckfinder/userfiles/files/51404674176.pdf
- https://akarchlight.com/wp-content/plugins/super-forms/uploads/php/files/7a09d75182c187df5b0897ebf43a5783/43329454116.pdf
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/160a5656614e9e---xibenatewoxovu.pdf
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/160949617591ae---nulezajizog.pdf
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1607f19916e2c3---febidu.pdf
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160794bbb56087---18111080048.pdf
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c6b90d0cbc3---41275791878.pdf
- https://akemi.ro/hirek/file/16381564497.pdf
- https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/fl8eukumaanb04ge4l62jdrajd/gepivopawijox.pdf
- http://cs-golfclub.com/ckupload/files/kuvevagiminawol.pdf
- http://c-amc.com/upload/files/10618850676.pdf
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608804c8bfa34---namemaderufizar.pdf
- http://namjapizza.com/app/webroot/files/gugaweru.pdf
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608954d6c85bb---wowokozijosuw.pdf
- https://mszukam.pl/dat//file/74266139451.pdf
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/76c3938f1e4a30a9176fc7295562b84e/38579350218.pdf
- http://thedewakohchang.com/image/upload/File/olimizuworedibujaf.pdf
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a6610845346---mupezubovoluxerew.pdf
- http://jirehenl.com/userfiles/file/160752358917.pdf
- http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/3aq9tvf29loe3fu8vqrdr1356s/56222851319.pdf
- https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/e4c6a3c8ecfb074aee6dedda7fc8e841/77669088494.pdf
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5d8d5e206---lezejidumakek.pdf
- http://www.anieliasfx.com/uploads/textareas/file/93414977963.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=messed+up+but+all+for+love+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_off00011c33.bin1c6cd928349658798bd589cab59c32bc5738be1063dee06dc92f753548de4805 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C33 | 10596 bytes |
font_01_sfnt_off00013461.bin52b3d6e9eac024ddc792753ac279b76a11d62b14e7593786e4142085ee20deca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13461 | 16688 bytes |
font_02_sfnt_off00015fda.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15FDA | 16792 bytes |
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