MALICIOUS
156
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. Heuristics identified it as a link farm pointing to compromised WordPress upload storage and other disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs, while numerous, do not appear to be directly executable but serve as lures to external malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 6
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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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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://tolgyesvolgy.hu/userfiles/file/55950913102.pdf
- https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/kazozuteboxaw.pdf
- http://branonperformance.com/ckfinder/userfiles/files/14059745314.pdf
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/bhca3aoh5llc7k3ekp5pcakluk/28927094263.pdf
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b564a689ac5---vuzukikopuruzurasereto.pdf
- https://www.hausbootgeiseltalsee.de/wp-content/plugins/super-forms/uploads/php/files/kfa39amgg3kq6s505odc0l48or/woxivu.pdf
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/26fa50a490815c938bb8a95aa7e609a5/bisorujuvedas.pdf
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089eaafca6ce---59583281943.pdf
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b06328a7f30---33948414270.pdf
- http://niezapominajkowo.eu/userfiles/file/ponimebumasafuwikukawe.pdf
- http://dambi.pl/userfiles/file/6453259492.pdf
- http://creativeindustries.ru/uploads/userfiles/file/mekedurutulolufebuwujez.pdf
- https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/c4fe4be75612b47b68a9a855c9170791/nefixoxibimapodimo.pdf
- https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608885fdc29f2---67087519202.pdf
- http://heyibnb.com/CKEdit/upload/files/99072422881.pdf
- http://lumieretvie.com/userfiles/file/28934370938.pdf
- http://bscartridge.com/pic/29166833471.pdf
- https://legacyltg.com/wp-content/plugins/super-forms/uploads/php/files/c5b73a31b5077d860e47d2bb73be42aa/62910332349.pdf
- http://3e3i.com/UserFiles/file///59042216895.pdf
- http://yizhu580.com/ckfinder/userfiles/files/6207830531.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=makita+random+orbital+sander+manual
- 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_off0000b275.bin28395943096329106182e35aefed1fd760a306395cedec2889e93077c21dc953 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB275 | 16848 bytes |
font_01_sfnt_off0000dd85.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD85 | 16792 bytes |
font_02_sfnt_off0000f59c.bin08a8185dd1bd42bd8822f751e76f7992bda237e2c82ee0896fdb92270554e920 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF59C | 10732 bytes |
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