MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, with numerous URLs pointing to compromised CMS uploads and disposable hosting, suggesting a tactic for SEO manipulation or directing users to phishing sites. The presence of multiple distinct hosts and the use of 'utm_term' parameters in some URLs further support this link farm behavior.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d1cae323669---gemununawogikiles.pdf In PDF document text
- https://trongtrucsolution.com/uploads/files/dafova.pdfIn PDF document text
- https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/4f8eb9bce7e745b9c3d7f5aad87913a9/mosexolekuratoxax.pdfIn PDF document text
- https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/svg1rpsuglilkg84u13al5tro2/68193568019.pdfIn PDF document text
- http://alphaconsultinggroup.us/vpw/images/file/lemajezu.pdfIn PDF document text
- https://giridhareye.org/ckfinder/userfiles/files/ropiviw.pdfIn PDF document text
- http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a4d759bc89c---mubetanonag.pdfIn PDF document text
- https://chungcungoaigiao.vnpec.xyz/uploads/files/71971959262.pdfIn PDF document text
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131382fc8aa2---buvatorusudawefevowiruxu.pdfIn PDF document text
- https://musikkursus.dk/userfiles/file/27017006790.pdfIn PDF document text
- http://chekeeh.ir/basefile/chekeehir/files/11924995943.pdfIn PDF document text
- http://pulsarvn.com/media/ftp/file/64804252120.pdfIn PDF document text
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160df56a503c6e---doxaperagekekafodi.pdfIn PDF document text
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/16094c319a08ef---lajavisazer.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8ec1a680bc.pdfIn PDF document text
- http://metallpress.ru/files/zogebikorabux.pdfIn PDF document text
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b3131089820---safabagorotaj.pdfIn PDF document text
- https://simplehome.ro/ckfinder/userfiles/files/93622918943.pdfIn PDF document text
- https://watertorens.nl/userfiles/file/29002457616.pdfIn PDF document text
- https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608c3cfc00d7e---10374764411.pdfIn PDF document text
- https://info-jimukyoku.jp/lot/upload/files/wabowokekexaviwufo.pdfIn PDF document text
- https://skvacations.com/userfiles/file/6914774623.pdfIn PDF document text
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/16100a3da96894---fotixumuseweg.pdfIn PDF document text
- http://beiwendq.com//data/attachment/file/tujofome.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=art+of+public+speaking+book+pdfPDF 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_off0000fab8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAB8 | 11108 bytes |
SHA-256: f062818b14ed04ea747fe10c63832f66f87efafaade949f8c056acb478c0e047 |
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font_01_sfnt_off00011457.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11457 | 18024 bytes |
SHA-256: da52a864551a084b3e7f408e7a1e220c85427f7de9ddd009ac5efad6dc491695 |
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font_02_sfnt_off00014279.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14279 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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