MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised CMS upload storage, suggesting a phishing or malware distribution scheme. The document body is unreadable, but the heuristics and URL analysis strongly indicate a link farm designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9871
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://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/16087f07ee90d3---15359460535.pdf
- https://clubsportedinburgh.org/userfiles/files/98339351772.pdf
- https://www.mds-horizons.com/upload/files/jewesajoraviduwusukilivi.pdf
- http://terralis.eu/catalogue_dynamique/file/56149833891.pdf
- http://cogersquest.com/clients/f/f6/f6194b381802d71b6842d6160e8859b1/File/gelope.pdf
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/e8537252b1472e9e00633714f8a9d34b/vapinoxedirelerigepofovi.pdf
- http://studionegro.net/userfiles/files/37815528479.pdf
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/16084d16d1afc0---goteparigemigogeko.pdf
- http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/k1io0veg3afe9c6htj0el1m522/10397602105.pdf
- http://teplolux72.ru/upload/file/51161781860.pdf
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16094a6982cc8a---17081097260.pdf
- http://atol-res.pl/uploads/file/filafunodo.pdf
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/160b9295b98f74---10970587443.pdf
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/c12e65f8aa8a339a8d4a29f960e0be84/98470795989.pdf
- https://b2cexpressdemo.com/userfiles/file/52562664579.pdf
- http://happypalettebnb.com/CKEdit/upload/files/8845013642.pdf
- https://mszukam.pl/dat//file/19896610810.pdf
- http://jaatkinson.com/userimages/dorut.pdf
- https://parklanehotel.asia/userfiles/file/42465074866.pdf
- http://qytbearing.com/upfile/file/dokora.pdf
- http://bhk-aindling.com/userfiles/files/fibupomukupo.pdf
- http://www.awakohchang.com/image/upload/File/opexolizojatun.pdf
- https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608798d2224e1---busorezefabizafuwokun.pdf
- http://nessium.fr/userfiles/file/90113565603.pdf
- http://suacuacuonthanhhoa.com/upload/files/xewikonuzefeleg.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=black+cat+with+big+ears
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00013d98.bin61f3823094d892ff5c91a3524844f20642524e05437c722d0037e8f33f825886 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D98 | 17444 bytes |
font_01_sfnt_off000157fb.bin0d08229d39f0400831510f48d8e984ff1b9325fac9e78771d615851f5507b10a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x157FB | 19652 bytes |
font_02_sfnt_off0001897a.binf30c1ac4ea048fff820184c981a9e09f1a9d06221d324a676f0f95966aa3f115 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1897A | 10656 bytes |
font_03_sfnt_off0001a22a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A22A | 16792 bytes |
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