MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ML classifiers and ClamAV as malicious. It contains a link farm pointing to compromised WordPress upload directories, suggesting an attempt to distribute further malicious content. The presence of multiple external URIs and a link farm indicates a phishing or social engineering lure, likely intended to trick users into downloading a malicious payload disguised as a legitimate document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9919
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ae836166d54---52453754659.pdf In PDF document text
- http://indago-rovigo.it/userfiles/files/negigufuvuwukibidota.pdfIn PDF document text
- http://sskj.pl/userfiles/file/jufufogowiwumizozaxowewi.pdfIn PDF document text
- http://tyextractor.com/d/files/romakifawobemotonavakegen.pdfIn PDF document text
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/16092982d215c8---75034177059.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/bgq7l193ltucu7o3c7ksnog8f6/92708411381.pdfIn PDF document text
- http://architettoseneca.com/userfiles/files/kofenugen.pdfIn PDF document text
- https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/rosuku.pdfIn PDF document text
- https://castel.ro/userfiles/file/60522605551.pdfIn PDF document text
- http://delvalle68.com/clients/54584/File/95814313740.pdfIn PDF document text
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b4b99dd6db5---vujaxesexugavudigegeroz.pdfIn PDF document text
- http://www.firengo.com/userfiles/files/sumapemazixu.pdfIn PDF document text
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16094321dcf9d1---8918067182.pdfIn PDF document text
- http://baigeleather.com/userfiles/file/16352670764.pdfIn PDF document text
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc0d5112d9---pedotimupozoz.pdfIn PDF document text
- http://rrarental.org/upload/file/9813150300.pdfIn PDF document text
- http://gulfcoolcontracting.com/uploads/userfiles/file/file/65872231411.pdfIn PDF document text
- https://davebakeragency.com/wp-content/plugins/super-forms/uploads/php/files/ff3719d4f9943cfc693bc56d22d185e3/zukasera.pdfIn PDF document text
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/n7i2tk9olrngu3hrkc0tsq1akd/89037391684.pdfIn PDF document text
- https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608724403e756---6712367889.pdfIn PDF document text
- http://martom24.pl/martom/userfiles/file/tutikosilirogiv.pdfIn PDF document text
- https://lightspec.com/wp-content/plugins/super-forms/uploads/php/files/d7dbd11e76e4bd54a7be75fbc85363db/66185167076.pdfIn PDF document text
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/2ohlolbrum7dj718g06qsnjet3/46581206813.pdfIn PDF document text
- https://artasedanasingaraja.com/uploadfck/file/48227550783.pdfIn PDF document text
- http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c159392a9aa---29189318892.pdfIn PDF document text
- https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/cb3b1a925b5eb6e9d348a7220728ee19/53525282589.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=real+analysis+questions+and+answersPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e9b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9B9 | 10732 bytes |
SHA-256: 30d62c32ae7a31687046b1752084f108d4182d525e96de4a8a6c95d632546e7a |
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font_01_sfnt_off0001025d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1025D | 17200 bytes |
SHA-256: f58aa82103228e3fa30fbf948d82a6e9f1d8112ac11af76848595edb9accf652 |
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font_02_sfnt_off00012f71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F71 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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