MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal that the PDF contains a link farm pointing to compromised WordPress upload storage and a visual download button lure. These elements suggest the document is designed to trick users into downloading a payload from a compromised site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce6fbbc9a1---ziriwevofujewim.pdf
- http://werkkledingverkoop.nl/images/docman/files/82390224551.pdf
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/60a4dfc881fcd7b945cb2243891691e1/pejigekilorupokuj.pdf
- https://thetitangroup.ca/wp-content/plugins/super-forms/uploads/php/files/4f89dfac97754fa3d6b5f79e6539ab46/kumurekodozi.pdf
- https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c59bf9b70e8---37423311311.pdf
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609895652f4a7---1404420298.pdf
- https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/38eh589m2jimvl6pd2654rp0gg/96191205033.pdf
- https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/a68e071987519b6b5127f44bfc13a81c/maxizena.pdf
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/1607e00d677b7f---dalaleje.pdf
- http://montaze.org/democms/userfiles/file/sekavubuj.pdf
- https://bucatariizidite.ro/printuri-fi/files/fugajexupovodifaman.pdf
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/00d7ed0831d511c4b1dcfc67a3373525/gikiru.pdf
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/160adc7dbe0ff0---naxokatobexulakuzuzo.pdf
- http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16080a4cfaa5ba---16505198908.pdf
- http://itfind.ru/uploads/file/90630313341.pdf
- https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/accee4dd41b858b3524c42cb838f99db/detawakur.pdf
- http://business-plan-capalpha.fr/mbp/upload/images/images/upload/ckfinder/5327639721.pdf
- http://matsonconstruction.net/userfiles/file/82259989911.pdf
- http://brenno-tojestto.pl/userfiles/file/98557537876.pdf
- http://delve-cr.com/uploads/99468833487.pdf
- https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/203f87e15d687833b430f74e83123b60/jawemijifabibozor.pdf
- http://aitrans.org/UploadFile/file/F1202105110305291112.pdf
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3c69026a56---66264122810.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=download+autocad+2020+student+free
- 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_off0000e337.bin7134de3ce7cd37812610bdc15068ba75e8bc349a59555f2c735c94920baf9034 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE337 | 10808 bytes |
font_01_sfnt_off0000fc70.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC70 | 16792 bytes |
font_02_sfnt_off00011482.binc03ca2661ab42e3d69bda57919ca7902c9015db538df9c178a7b4bb16bd70a2f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11482 | 17676 bytes |
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