MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to compromised WordPress sites and other domains, suggesting a link farm designed to redirect users to malicious content. The PDF structure and embedded links are indicative of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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=test+daypo+textos+y+visiones+del+mundo
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608fe56ff33dc---keturamujo.pdf
- http://orosweb.hu/ckfinder/userfiles/files/suwukaw.pdf
- https://karapinarinsaat.net/userfiles/upload/file/bifidedevezibipabikoxedom.pdf
- http://lovelyspa.net/ckfinder/userfiles/files/58106944860.pdf
- https://thaiahpa.com/flash/files/92585914151.pdf
- http://tamker.hu/userfiles/file/bezotukekadiw.pdf
- http://nicolalazzarotto.com/userfiles/files/62772097697.pdf
- https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/3ed1d734e60c81bfe81ac825a63c519e/mitiwegib.pdf
- http://fontanarosaserigrafia.it/userfiles/file/24467439667.pdf
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a49fc95aa40---zifinomerez.pdf
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608e8ccb9e830---58987056171.pdf
- https://www.fyna.com.au/application/third_party/ckfinder/userfiles/files/budiponak.pdf
- http://af.ssla.ru/images/fornews/files/38798556202.pdf
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abe7bc6543e---25702281931.pdf
- http://greathorserider.com/ckfinder/userfiles/files/wuruwekizinuwususuxiwo.pdf
- https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/6e8e1ba9121a8a6cd52cdf9d525c554a/pafepunidiwolezonufubuf.pdf
- http://stlnsk.ru/uploads/file/jovevofifufez.pdf
- http://learnersdigest.org/userfiles/file/81241031999.pdf
- http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/1ccgcojbua7dosnib3bvterk03/97254830209.pdf
- http://dep14kirov.ru/userfiles/file/48986794961.pdf
- https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/f7jgt12qgm8e653r444nqm04jr/botawiwexiwiledofugikigi.pdf
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/9e51012d23e8467f6bfa4e411745ad8b/79482759703.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_off0000f2cb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2CB | 16792 bytes |
font_01_sfnt_off00010ae2.bin842edda9d27599d0052c2dda380371a93f2cbd6a79e66885842b8470b6d965ca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AE2 | 10800 bytes |
font_02_sfnt_off000123d1.bind4d81b8af75081d669b358fb1fa0dd0051ebe189f8f6a0eaf74b00e5780fedb3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123D1 | 16740 bytes |
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