MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier. Static analysis revealed it is a PDF containing a link farm, with many URLs pointing to compromised WordPress sites or disposable hosting. These links are likely intended to redirect users to malicious content, fitting the pattern of a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/3c6t90qk354dp1ntj2rnll74sd/57808273580.pdf
- http://lawrence-spruill.com/clients/42275/File/75394869965.pdf
- http://csc0451.com/userfiles/file/20210621043548_wug1uv.pdf
- https://cambodiadriverservice.com/userfiles/file/xuwiwenafofiz.pdf
- https://motelandratecuci.ro/userfiles/file/92779918267.pdf
- http://domplus.su/userfiles/files/wexogubuzojodiboz.pdf
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5427010ef---70996353540.pdf
- http://sy-smile.com/upload/files/rofedugekurisujeza.pdf
- http://samilove-payitforward.com/clients/f/f9/f9b0b202ed5d2cb263a89f8a9bd08a94/File/32476779904.pdf
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fe3e3657d4---93631222964.pdf
- https://thesaddlebank.com/wp-content/plugins/super-forms/uploads/php/files/4qcqm2d73knrqd9im29jcepqbe/60970298529.pdf
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606f8a4e2a60c---68750445313.pdf
- http://sskj.pl/userfiles/file/setoxidakigaretipanomi.pdf
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/8935ada2a1e9e330aa9cb90b255d9661/jixeka.pdf
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c79ff0d6ed1---toviruvedewurukekojijef.pdf
- http://deccanquest.com/konadnew/userfiles/file/44246690268.pdf
- http://grappin-annat-como.com/userfiles/grappin-annat-como.com/file/88054939348.pdf
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607d8d40ddde6---5647223161.pdf
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/1seh78949slm2hioiguutg8m0e/1598526090.pdf
- http://itfind.ru/uploads/file/laluderixavotevibi.pdf
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160a704c6058ae---95044402242.pdf
- http://hyperasp.net/userfiles/file/femiwidedupoxov.pdf
- http://ctyrkolky-gamax.cz/data/dokumenty/befupusurum.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=macros+for+leaning+out
- 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_off0000ec0f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC0F | 16792 bytes |
font_01_sfnt_off00010426.bin5d0b92a5d2a341e830a1aabea5de39fbf85fe62821f219f9fbf06621d6131d8e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10426 | 10604 bytes |
font_02_sfnt_off00011c85.binf7661bd797a65bddd6b015a49cce3477432f738f518846a8fcbd9a63c7c46ff6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C85 | 17236 bytes |
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