MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, containing numerous URLs pointing to compromised WordPress sites and other disposable hosting. These links likely lead to further malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
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://chupwo.com/editor_upload/file/49139864705.pdf
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/4935cff451fdbb5aa8c7eb70a6db15b9/bavezasivumo.pdf
- http://vaness-sens.fr/ckfinder/userfiles/files/55167089222.pdf
- https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/lmnou86u86ak1n0c9ee2aikli9/19117658957.pdf
- http://charivne.info/images/file/40546015208.pdf
- http://asokmontridental.com/userfiles/file/jejawixotapidavup.pdf
- https://www.spreefahrten-berlin.de/wp-content/plugins/super-forms/uploads/php/files/371ml5vp95bg15t0cdoo96g9a1/45922017888.pdf
- http://altinay-law.com/images/file/2000222032.pdf
- http://topas.lt/userfiles/file/vexevugemivepedasaf.pdf
- http://nsdadventist.org/FCKData/file/45716554982.pdf
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aacfd513a19---85282714124.pdf
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/2261119c3b5758e6a08ba12d8a1c0c0f/27066060608.pdf
- http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609f7a79ee4e9---buvitapubudivogatumepevom.pdf
- https://postelezmasivu-zlin.cz/ckfinder/userfiles/files/13103552324.pdf
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8e618f21a4---nomipiwirixepowob.pdf
- http://nomorecpapmachine.com/userfiles/files/loxizanigifusidunadewobu.pdf
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160ae1472e7619---fiwosubuxolusutolegi.pdf
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e689eeab1c---rejalamajekezo.pdf
- http://nutronicltd.com/userfiles/file/40374036429.pdf
- https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/46ae2d09a5c9cb72ff2b1626675318fe/41623314210.pdf
- https://prsnashville.com/wp-content/plugins/super-forms/uploads/php/files/1843772ab728b9488616b54358255c58/96377019614.pdf
- http://ucity68.com/clients/e/ea/ea220da86df44fb0ae3b7c8e8295ccc1/File/wowipiponejeb.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=death+trips+gameplay
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000137b7.bin5efee190a69e009578e16b9321eaaea7c9f608c7f37802a21e6727a2d4aa33be |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137B7 | 10588 bytes |
font_01_sfnt_off00014ff4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14FF4 | 16792 bytes |
font_02_sfnt_off00016806.bin65c2930fe57faec3c9bad6184d5e945441611ac98bb8aaeec8331d81e76c18c5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16806 | 17144 bytes |
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