MALICIOUS
164
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, indicating a phishing or trojan threat. It contains a high number of links, many hosted on compromised or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of a 'download button' heuristic further supports a lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://xdata.pl/app/webroot/img/ckf/files/85373412859.pdf
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/4ihf5i97ik13gat9tgn1at06g2/pexoxegenagalutupula.pdf
- https://kaptenhoki.info/contents/files/58459128842.pdf
- http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608496bc30afe---guzujesajetolativiw.pdf
- http://ebiocell.com/uploadfile/file///2021080200412717.pdf
- https://argumentua.com/i/file/99650035208.pdf
- http://baschin-heizung.com/meineBilderAlbertGrundschule/file/12827219983.pdf
- https://komunalno-vrgorac.hr/files/difomogerukotorata.pdf
- http://degrossier.nl/uploads/file/79426717425.pdf
- http://residenceraffaellotorino.com/userfiles/files/40268382231.pdf
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/f6d8e75291f967315f955207124111ea/88444647249.pdf
- http://pushgroup.lv/userfiles/files/zapevemufi.pdf
- http://parentini.it/userfiles/files/92077335373.pdf
- http://xinyaoqiye.com/upload_fck/file/2021-7-21/20210721185742978786.pdf
- https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/81odeb5f51clf7d5rc110kabn6/27234498.pdf
- https://castilloexterior.es/ckfinder/userfiles/files/66953336494.pdf
- http://apple888.vn/luutru/files/javixaju.pdf
- https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/161085b1e1a9d3---66137520722.pdf
- http://sgadsahodayatarntaran.org/sahodyatarntarannew/userfiles/file/95668837654.pdf
- http://studiogaleazzo.eu/userfiles/files/xalamaditisapaxaketofi.pdf
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/703c11a1f85503568eb0068e2f973a1d/loxorog.pdf
- http://fletcherfamilyreunion.org/clients/52745/File/pevopeziburesavix.pdf
- http://e-cluny.cz/UserFiles/file/tizawazifexufufepaxexo.pdf
- http://niszczeniewaw.pl/userfiles/file/55995936121.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=ideation+workshop+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_off0000e31d.bin95bf744a00c7b2a3eba4040f6450dd39bcae00e4db722e7c17e5fa50f04fc201 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE31D | 17548 bytes |
font_01_sfnt_off00010fbf.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FBF | 16792 bytes |
font_02_sfnt_off000127d6.bin330597d529450293bee049de513a0cbe5820146840dfefd1b88c69c6f9d6abd9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127D6 | 10676 bytes |
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