MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. Heuristics reveal it functions as a link farm, with numerous URLs pointing to compromised WordPress upload directories, likely serving as a distribution point for further malicious content. No scripts were extracted, but the structure suggests a lure to download or navigate to a malicious site.
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://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1fb090f80c---38022942609.pdf
- http://montaze.org/democms/userfiles/file/97631354012.pdf
- https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607519775da9d---kunuwuvoragofironovatin.pdf
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/160795924d0ee6---mokaropowusateli.pdf
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/11ah0n9cagjhfk7ph7j94of13u/gurogevinof.pdf
- http://optimus.org.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b75898ea94d---99393772552.pdf
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc667e3eae---42575557015.pdf
- http://stattus.com/assets/file/xudomexaropurive.pdf
- http://thaide.org/userfiles/file/13319335436.pdf
- https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/d51dcb1a887ec9af56e1486090682c8f/7343969556.pdf
- https://nepalmicrofinancesummit.org/userfiles/files/zavujiwuwidojuvogor.pdf
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/1403fc8961e0bec5ef550e1d2b39b534/30609354719.pdf
- https://www.sixteengrams.com/wp-content/plugins/super-forms/uploads/php/files/m991kedn24o1lrll253mjncb1o/remulak.pdf
- https://www.sadcmedia.com/wp-content/plugins/super-forms/uploads/php/files/72mjufc985m1qe8511v744l9nm/wusafekojomuma.pdf
- http://colorfulmedia.de/fotki/fotki/file/xefizariwozusufatevemu.pdf
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/abfb54521148d7efe02043e10423d4f8/73717013306.pdf
- http://kibbkw.com/uploads/file/mopawi.pdf
- http://logisticsnetworks.net/ckfinder/userfiles/files/rabituxalanumok.pdf
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160708c95ec25f---zisezizalakakebabo.pdf
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/e52c6a351f35a51eb9fef8659a06c911/59974109964.pdf
- http://jjmcp.jp/userfiles/Image/file/50615849865.pdf
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a34b619eb95---fagekojanokanelesib.pdf
- http://goksirlambinowice.pl/img/upload/files/dovefusajolader.pdf
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/1vrndfh627he4gp7j7e7f76qq0/xekosafopo.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=the+most+tricky+riddles
- 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_off0000f8f1.binad4f3dbcddfa5120f2e635094853604d3ffcc8d8d875864621de927046360cee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8F1 | 18112 bytes |
font_01_sfnt_off00012852.binb1c8c10ebe8c32d197394a3e179d770637ee1ca50067b0f15d6a078d5bb0aaef |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12852 | 10540 bytes |
font_02_sfnt_off00014065.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14065 | 16792 bytes |
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