MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users. ClamAV detected this file as Pdf.Phishing.Trojan, and ML classification strongly suggests malicious intent. The presence of external URIs and link farms points towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://nomylo.ru/uplcv?utm_term=incorrect+sentences+worksheet PDF link annotation
- http://mp-hd.de/data/aktualnosci_imgs/file/rokimowopovog.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/lusezujofixegoxudozilerer.pdfIn PDF document text
- https://rockyshairsalon.com/wp-content/plugins/super-forms/uploads/php/files/s17llt7ef8j8i2e0otvmadv4lo/18006667303.pdfIn PDF document text
- https://sieompaysdebray.fr/lesiom/txt/imgadmin/file/susonumofonup.pdfIn PDF document text
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609405f90f8b6---powam.pdfIn PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a29917f0479---gobimabofovunatu.pdfIn PDF document text
- https://akproauto.net/nbloom/fckuploads/file/xuvebem.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/7k957m5d0s97nn04uc59qsl3b7/zitiw.pdfIn PDF document text
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cc63d455d76---joketebar.pdfIn PDF document text
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/160fc43583ca03---gidofexedazapajofobujox.pdfIn PDF document text
- http://jnafarms.com/clients/864068/File/zegonig.pdfIn PDF document text
- http://softtox.pl/new/userfiles/file/69639876730.pdfIn PDF document text
- https://braintreeclinics.com/app/webroot/img/files/23094748549.pdfIn PDF document text
- https://latework.cz/soubory/74983724917.pdfIn PDF document text
- http://donghocitizenchinhhang.com/uploads/userfiles/file/28714762177.pdfIn PDF document text
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160734593d4045---regewaxosagiku.pdfIn PDF document text
- http://2016.letnifestiwal.pl/ckfinder/userfiles/files/37843811368.pdfIn PDF document text
- https://amthanhanhsangchinhhang.vn/upload/files/55457320125.pdfIn PDF document text
- http://sklepjola.pl/userfiles/file/54314231324.pdfIn PDF document text
- https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160adfcc07fe72---botukotofaxeb.pdfIn PDF document text
- http://startmatbaa.com/userfiles/file/toteropepukikofatij.pdfIn PDF document text
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/57f08065a99addcbe59921ac8238005b/viremexonunob.pdfIn PDF document text
- http://richardarnoldalumni.com/clients/a/ad/ad1dcfa6f69ac51e3fe6bec18f6cf6d6/File/60996448835.pdfIn PDF document text
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607b23b016d4c---tinifoji.pdfIn PDF document text
- http://componentcnc.hu/uploads/ckfinder/userfiles/files/bosomobud.pdfIn PDF document text
- https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//75133780525.pdfIn PDF document text
- 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_off0000d238.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD238 | 18224 bytes |
SHA-256: 9c4145e0b202133f84bfb866411ea9c2cdf1cef7adf9c82f0546c56705de6875 |
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font_01_sfnt_off000101a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101A8 | 10156 bytes |
SHA-256: 70e1b81605d0c307f7452d16340701578e48054e82c0b0aead78a8506c1ea125 |
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font_02_sfnt_off0001186b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1186B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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