MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier. It contains numerous URLs, many pointing to WordPress sites using formcraft plugins, suggesting a link farm designed to obscure the ultimate destination. One URL, https://crewmak.ru/uplcv?utm_term=lucy+kincaid+series+in+chronological+order, is explicitly flagged as an external URI. The presence of these link farms and the overall structure strongly indicate a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9935
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://crewmak.ru/uplcv?utm_term=lucy+kincaid+series+in+chronological+order
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9333998013---debaruporaso.pdf
- http://baigeleather.com/userfiles/file/34954396750.pdf
- https://vegas-shop.net/uploads/files/betorovubekepedagut.pdf
- http://zonwering-nederland.nl/ckfinder/userfiles/files/jenibuzipobezikonupato.pdf
- http://studiodabo.eu/userfiles/files/nixujagulafinawowosusiz.pdf
- https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b423c09a317---53604254555.pdf
- http://shuimotongyuan.com/userfiles/file/zovizuzivaponuf.pdf
- http://jkbprivateiti.com/userfiles/file/33060066787.pdf
- https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/cf1508f47189bd26de8c80badddfb5a2/bikavunaseluresifo.pdf
- https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/b4e411021af8fdda2ea60c98a816125f/5833475526.pdf
- http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d964cb042f---wemidizukevaponuzufi.pdf
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bfd89591bd---luvirixedob.pdf
- https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/7bc3bc80fc55e8b883642b935087ea12/25107682781.pdf
- https://muguet.fr/sites/default/files/file/30940578944.pdf
- http://njf724.com/basefile/janatalnajafcom/files/62303035979.pdf
- https://hssipm.com/wp-content/plugins/super-forms/uploads/php/files/19ad252dc6aa48808f587534da35523a/90389064273.pdf
- https://retta-bg.com/userfiles/muxejamedo.pdf
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c56b0654867---fodokeranuginavele.pdf
- https://alihuata.com/userfiles/file/detevebulomijixujit.pdf
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a773874b207---vedurodix.pdf
- https://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/0qo7vosbgsivtokebprb3ls0ro/josonesibowog.pdf
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a2c3365d1b5---28238091151.pdf
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/f0dc125bcde89e8c8ce83af15a6f4c96/68688287007.pdf
- https://forcechicago.com/wp-content/plugins/super-forms/uploads/php/files/4626898e62b760e158347c95eae9de21/tuvijetu.pdf
- 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_off00010b21.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B21 | 16792 bytes |
font_01_sfnt_off00012338.bin5628070a867fda480f885b2659669b33ed2c1b9e3161243c894177d3ff4c71b3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12338 | 10816 bytes |
font_02_sfnt_off00013be3.bin29d07d847a805ea43a8081c8264fb3f194074b94459f0ed2e05e866080edbbc4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BE3 | 17368 bytes |
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