MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The file functions as a link farm, containing numerous URLs pointing to compromised WordPress upload directories and other potentially malicious sites, suggesting an attempt to redirect users to phishing or malware-hosting pages. No scripts were extracted from this sample, but the structure and URL patterns are indicative of a phishing or SEO poisoning campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://hotel-la-licorne.fr/userfiles/file/vigelenediwapuraji.pdf In PDF document text
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/1608e48c387fcf---34621780701.pdfIn PDF document text
- http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7bfc7b445---39533759815.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/v1e5sdhrdrn96qm0vg9947ua67/87430131384.pdfIn PDF document text
- http://nacyc.jp/Upload/file/felijamosum.pdfIn PDF document text
- https://adsbudget.net/userfiles/file/34946458040.pdfIn PDF document text
- https://holocaustresearch.pl/nowy/photo/file/91191946287.pdfIn PDF document text
- https://beaszemin.com/files/lotorinimales.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/25onnfrr9qs0k2jq6sr7mtmkp5/92345634932.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdf3fc11274---ruxoxumanem.pdfIn PDF document text
- https://alianzatours.com/imagenes/file/40576221703.pdfIn PDF document text
- https://astek-telem.fr/userfiles/file/ritelobidiwimitivixek.pdfIn PDF document text
- http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/91c7be536ac44b3e398a5a7f74d49aa2/lobimenelof.pdfIn PDF document text
- https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/5rjkhnkgm8bk6dsqcnvua9arq9/tusapisurowusa.pdfIn PDF document text
- http://abwrichmond.com/uploads/files/fepafuj.pdfIn PDF document text
- https://agronlogistics.com/userfiles/files/womanasotugojeledel.pdfIn PDF document text
- http://asdgolfclubtoscana.com/writable/public/userfiles/file/66377320102.pdfIn PDF document text
- http://resetimpianti.it/reset/public/file/72698349241.pdfIn PDF document text
- http://ozanatalan.com/iboard/includes/userfiles/files/30792105018.pdfIn PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/16083966e93666---82265566329.pdfIn PDF document text
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/160b9e7a4c3eae---wodifovubilogizenadanez.pdfIn PDF document text
- https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/17d26da12a3a6253ac11b8bdca215f85/86276659051.pdfIn PDF document text
- https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/7hd40797nipc0bu5llukl8i7p6/50183681786.pdfIn PDF document text
- https://wccia-vastu.com/wp-content/plugins/super-forms/uploads/php/files/09ba0556e221c784453e6e8f3ca4313d/28783298701.pdfIn PDF document text
- https://wickedcheesy.com/images/file/88537986287.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=timber+yards+open+todayPDF 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_off0000c0d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0D7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d8e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8E9 | 17460 bytes |
SHA-256: fe4b5e5c3025999bdf0eaa7f58e0d865e9738e07f3e2052eab301d7546da9a78 |
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font_02_sfnt_off00010468.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10468 | 10724 bytes |
SHA-256: 1b5b1706f6ffb6b178e49ce8c8e03a05271b04e9b64766448aa981e8f952d112 |
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