MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, containing numerous external URLs, several of which point to compromised CMS upload directories. The presence of urgency language suggests a lure to entice users to click these links. No scripts were extracted, and the document body was unreadable binary data.
Machine Learning
- Nyx PDF Classifier malicious score 0.9844
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://sitycare.com/FCK-UserFiles/files/80254903478.pdf In PDF document text
- https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160b96d2722a18---bekopi.pdfIn PDF document text
- http://ampletrekking.com/userfiles/file/39572734129.pdfIn PDF document text
- https://digireg.ru/upload/26719601291.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160c8d2de98e76---jojajaganugumixujobawulop.pdfIn PDF document text
- https://dynasty888.com/image/files/20210606_134202.pdfIn PDF document text
- https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609a837380e88---dafapogojufolomizitoruros.pdfIn PDF document text
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/63thghs5cikb9n5f02c7mhn9kt/jasemubebog.pdfIn PDF document text
- https://leesman.com/wp-content/plugins/super-forms/uploads/php/files/7004f0122b5f7f323222067841760de5/barelaxe.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a7ea1484e84---nijebonusuvupokuvugo.pdfIn PDF document text
- http://candientushinko.com/images/file/68621446794.pdfIn PDF document text
- http://allycatering.com/userfiles/wiroje.pdfIn PDF document text
- https://czus-lukasa.sk/userfiles/file/zazil.pdfIn PDF document text
- https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160777f212ba2f---12891201883.pdfIn PDF document text
- http://bm-shower.com/userfiles/files/89603534762.pdfIn PDF document text
- http://charugarware.com/DEVELOPMENT/charu_garware/uploaded/userfiles/file/44572798320.pdfIn PDF document text
- http://abogarestudio.com/userfiles/file/ramijudonojoxob.pdfIn PDF document text
- http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad848c40643---bixenazofelozimoxax.pdfIn PDF document text
- https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/d4253b9d5131bd678735a5471490c3fc/13698118279.pdfIn PDF document text
- http://er-trans.com/img/produkty/files/61164523861.pdfIn PDF document text
- https://systematix.pl/userfiles/file/napunob.pdfIn PDF document text
- https://ladangmimpi.com/contents//files/vepujuwugijonepizuzo.pdfIn PDF document text
- http://timelessmebel.ru/wp-content/plugins/super-forms/uploads/php/files/fdd4587e921f3f10234f540a866a2676/54971900621.pdfIn PDF document text
- https://stalbeckers.nl/userfiles/image/file/somajuwoputimafeji.pdfIn PDF document text
- https://uzunlarpeynir.com/dursun/upload/files/panelubajadozufefolob.pdfIn PDF document text
- https://big-cash.de/wp-content/plugins/super-forms/uploads/php/files/n14n5q0hujtv7lp7t55aq9jfr2/wamos.pdfIn PDF document text
- http://www.dfdtrading.sk/ckfinder/userfiles/files/79049767360.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=mother%27s+day+quiz+questions+answersPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cdee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDEE | 17368 bytes |
SHA-256: 9ef4ae082d54fa782160fb821424759ee58105edca56bfa6cfb304f1f2e9a6aa |
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font_01_sfnt_off0000fb0a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB0A | 10832 bytes |
SHA-256: e7dfa58c96086a100943d467fe7d3c4a0962f1c3cebfdfa26212a14528d990d6 |
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font_02_sfnt_off000113fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113FA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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