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. Heuristics identified it as a link farm, with many URLs pointing to compromised WordPress sites and disposable hosting. The document body is unreadable, but the presence of numerous external links suggests a phishing or SEO poisoning campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
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://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/78md4j9h5jmqdhrsnsnt9ovdt5/38088518052.pdf In PDF document text
- https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/j1vo92ivfjssmr9mlcr632q7hr/xogiveninufikogisuxukagu.pdfIn PDF document text
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160987cb03ed32---12173188697.pdfIn PDF document text
- http://visit-pune.com/userfiles/file/32733812801.pdfIn PDF document text
- http://zerosquareonline.com/file/jujirojodegirataguxi.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/khb37k41pfqpmtq1gauats1nej/vimixoveburu.pdfIn PDF document text
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/160791d5a61afa---88114098902.pdfIn PDF document text
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/1p7r5mpoqg4p74l54ekkff4t2u/fokekoka.pdfIn PDF document text
- http://nutronicltd.com/userfiles/file/8357955599.pdfIn PDF document text
- http://omg.su/upload/File/55455544768.pdfIn PDF document text
- https://ipic.vn/userfiles/file/bizamivine.pdfIn PDF document text
- http://sendedianqi.com/upload_fck/file/2021-6-24/20210624023729934786.pdfIn PDF document text
- http://carszana.com/image/upload/File/41641441736.pdfIn PDF document text
- https://digireg.cn/upload/dasiwugagowa.pdfIn PDF document text
- http://bitite.lv/media/txt/122/file/91959896368.pdfIn PDF document text
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160702f6eca0a4---88421140945.pdfIn PDF document text
- http://moda-minulosti.cz/docs/momin/file/tufiviputiju.pdfIn PDF document text
- http://bosch-service-center.ru/uploads/files/49767463863.pdfIn PDF document text
- http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a76eb508a8b---88231059496.pdfIn PDF document text
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b85c80dac9b---3931975315.pdfIn PDF document text
- https://raljob.com/userfiles/file/lusixekilixedoded.pdfIn PDF document text
- http://everest-c.ru/ckfinder/userfiles/files/lozubusuwuj.pdfIn PDF document text
- https://hssipm.com/wp-content/plugins/super-forms/uploads/php/files/65e255cf549899c07451c74bcd19a893/gopiwenekukufe.pdfIn PDF document text
- https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/14klb2p44r9n068qc4j6i5r5a3/nobogevubajuzutazujega.pdfIn PDF document text
- http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16097a8c426173---wenuviteledazuxajif.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=carpal+tunnel+syndrome+elbowPDF 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_off00010e0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E0B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001261d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1261D | 16420 bytes |
SHA-256: be1221f81940dfd143a4e6624f64ffa9ae4dca40292c162380dba1a45debb1db |
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font_02_sfnt_off000150a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x150A7 | 10932 bytes |
SHA-256: f7706f90cc89a2792bc70cb07376094c18af6c135f8392a32f668ef09eb963e8 |
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