MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was identified as malicious by multiple heuristics, including a high-confidence ML classifier and ClamAV, flagging it as a phishing trojan. The PDF contains numerous links pointing to potentially compromised websites and disposable hosting, characteristic of a link farm designed to redirect users to malicious content. No scripts were extracted, but the structure and URL patterns strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://xn--80aafbkbafwdti1ahihccrg.xn--p1ai/pict/file/numewazedobibizomof.pdf
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/prgjcop33rk0ssk6n9qoofse01/rokenujinon.pdf
- https://aldurra.ly/images-editeur/img/file/65095138858.pdf
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cab28c4ca85---72918957125.pdf
- https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/7915e20e92d1bee278e981abe7af951e/47961690898.pdf
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/16093b879bfbce---54056266322.pdf
- http://agataklimowska.pl/userfiles/file/nifunixuwatefepejanaguge.pdf
- http://wmhsclassof1977.com/clients/34196/File/4897469373.pdf
- http://decom.pro/admin/ckfinder/userfiles/files/37265542876.pdf
- http://videofilm-tv.ru/content/File/zonibaf.pdf
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e3efb97c535---98063943697.pdf
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/k00e6emrm7am3idp52i254gn52/1056623200.pdf
- http://koszyczarek.pl/userfiles/file/36978073790.pdf
- http://amandatravel.com/userfiles/file/mafuzekedotipenil.pdf
- http://debandhelder.nl/ckfinder/userfiles/files/15641157760.pdf
- http://fred-robin.com/ckfinder/userfiles/files/liwalobudapibave.pdf
- https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff6bb5377f---58782659833.pdf
- https://atlastoursntravels.com/userfiles/file/93591608393.pdf
- https://htddienstverlening.nl/userfiles/file/92025356321.pdf
- https://morethancleaningservices.com/wp-content/plugins/super-forms/uploads/php/files/dc17d16aa2bdfa869bcb76ccaed9c5f8/88557235954.pdf
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/pmskkdtoss4ufc7mt5rhdstcq7/kufejavonikibupoxevipilez.pdf
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608201951610e---pilesaxozam.pdf
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098747d3f06d---8574484062.pdf
- https://tenfci.org/userfiles/file/24512859434.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=what+does+pm+am+stand+for
- 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_off0000e222.bin5e9736b494659371480149ce78e3093bb1fe22cf463c61723e4df51a4fbfc5a7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE222 | 17080 bytes |
font_01_sfnt_off00010ea1.bina356671ac7935bb1da810095bcb8763a2313ee7c40633a1064de0ba49926c77b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EA1 | 10616 bytes |
font_02_sfnt_off000126b9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126B9 | 16792 bytes |
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