MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is identified as malicious by ML classifiers and ClamAV, with multiple heuristics indicating it is a link farm hosted on compromised CMS uploads. The embedded URLs point to various domains, many of which are associated with compromised WordPress sites, suggesting a phishing or malware distribution scheme. No scripts were extracted, but the structure and URL patterns are indicative of a malicious PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078f253795ab---77892955097.pdf
- http://stepasidemedical.com/images/uploads/file/14761216424.pdf
- http://flightshop.jp/images/blog//file/1069014323.pdf
- http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9305bef36e---nopibuberexowaro.pdf
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609d6f5c25171---zitotemodinusot.pdf
- http://xn--o39a91gvwm83kbsn.com/FileData/ckfinder/files/20210617_3FFCE15E184C3582.pdf
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd8523e66e1---1545516068.pdf
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/3cf952f4da5ab66401effaf3fffed5e1/61372214582.pdf
- https://archltginc.com/wp-content/plugins/super-forms/uploads/php/files/c59f3278db3b691c0f73eaafd82c6b84/bavolobipup.pdf
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/cg3hllvteiiptdqdmcur0h4q59/dugur.pdf
- https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607a978e4aadc---70408021961.pdf
- https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/e4ac8c85db2308e7f9fb584ef5596804/koxarigawilu.pdf
- http://studiotecnicoforace.eu/userfiles/files/76386035884.pdf
- https://www.ideaklinikizmir.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607332f39a6ea---povawozilir.pdf
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/5d0806ca4bd87722ae56af8539c16b2b/14447164440.pdf
- https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/eb4e189572e38ef3afa30731917f8e71/noberimezifesa.pdf
- http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070a5baf373d---62712069952.pdf
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/a18585f901b6bdcf5f4938858c940d88/79201660110.pdf
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/fadtq3i702jhkn8pu15ksi2ern/61130122634.pdf
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606c840c69968---17229241046.pdf
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f4f5b0bcc1---semuvazedujudoted.pdf
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/940cfee165d40d9a765ae113b58a0e6f/82290237926.pdf
- http://ahkjt.com/upfile/file/jewemuzulosugasiloki.pdf
- http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16097b7602ddf7---tadomoporaroluwaz.pdf
- https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/4c4adb2f3cc32b6f8e63c734d9705052/51622855422.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=write+the+plural+form+of+box
- 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_off0000cf40.bina2614b81f6da8ea8cac2ccba4affff1d127c43c9e474d99be4ccd033582ecd17 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF40 | 17300 bytes |
font_01_sfnt_off0000fbfc.binc9345046cf6a34be76601735893678fb3acf7ae43a155e6bb462ef57951368ec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBFC | 10684 bytes |
font_02_sfnt_off00011441.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11441 | 16792 bytes |
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