MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. The presence of a "download button" lure and multiple external URLs, some hosted on compromised CMS platforms, suggests a phishing or social engineering attack. The callback lure heuristic further supports a phishing pretext, likely aiming to trick users into downloading further malware or divulging sensitive information.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 8
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://crewmak.ru/uplcv?utm_term=age+of+empires+iii+for+android
- https://haciendaloscipreses.cl/upload/file/54185157984.pdf
- http://studiogaleazzo.eu/userfiles/files/gatofigosatopalisud.pdf
- http://abwcoliseum.com/uploads/files/lojojod.pdf
- http://ottomaniantextile.com/userfiles/file/magetujusuturiwaluxisox.pdf
- https://takarasushimn.com/userfiles/files/momawag.pdf
- http://xn--80aer5aza.xn--19-kmcm3c.xn--p1ai/ckfinder/userfiles/files/21734651387.pdf
- http://emilygrilltogo.com/uploads/files/24082671826.pdf
- http://ros.by/ckfinder/userfiles/files/bazeramojutexexizi.pdf
- https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/1614765825f325ca8f3054f6196344c2/zasibedabelijari.pdf
- http://jmestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/girive.pdf
- https://r4binsh4h9-att.com/contents/files/89922373287.pdf
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/48a61e2c3a7b02fcb7a953a128344231/45207275972.pdf
- http://goddesshair.net/upload/users/files/49366443883.pdf
- https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613b917ca8dd1---selikebo.pdf
- https://dom4m.lv/userfiles/files/jokukudadetejovajowixu.pdf
- http://nbkhjc.com/uploads/202109/file/210905185656420429p162xfvudxgk.pdf
- http://serting.eu/userfiles/files/xudopuwamigudepebesumudag.pdf
- http://myapartment.de/web/editor/files/43276626514.pdf
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161392b9dc2db5---wagivawozif.pdf
- https://ivanda-commerce.hr/userfiles/file/sorok.pdf
- http://fixmyhelicopter.com/project-new/christianbook/upload_images/file/35396227804.pdf
- http://pzhjintai.com/upload/files/40115267066.pdf
- http://mobilni-kadernictvi.cz/files/file/dopujifavaserodu.pdf
- http://lamardaegu.com/upfile/user/file/12642461309.pdf
- http://unipsyclinic.com/userfiles/file/20210907144749.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_off0000bbff.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBBFF | 16792 bytes |
font_01_sfnt_off0000d411.binca4b04c0ca24a2e6aaf2cc80fbc8c039425d9a7b1517cc9d548923f496990fb8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD411 | 17364 bytes |
font_02_sfnt_off00010083.bind13656768aaedb2114f468a296120af53de2d19d0b482d48c91a2109e0b024d3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10083 | 10676 bytes |
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