MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected by ClamAV as Pdf.Phishing.Trojan and flagged by an ML classifier, indicating malicious intent. Static analysis revealed it functions as a link farm, directing users to multiple external URLs, some hosted on compromised CMS platforms. The presence of numerous links, including one with a 'utm_term' parameter suggesting a phishing lure, strongly indicates a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://queure.ru/uplcv?utm_term=the+latest+version+of+android+operating+system PDF link annotation
- http://midoriku.zaitakunet.jp/app/webroot/upload_images/files/86792394792.pdfIn PDF document text
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161454df266ed4---ranowad.pdfIn PDF document text
- https://ijmscr.com/ckfinder/userfiles/files/rovopigojekigazinonero.pdfIn PDF document text
- http://exim5.hu/_user/file/79466620522.pdfIn PDF document text
- http://chelseafoodmart.com/uploads/files/kejazozem.pdfIn PDF document text
- http://zeguvietnam.com/uploads/ckfinder/files/81708621982.pdfIn PDF document text
- https://ferdavagnar.is/images/fck/file/vusokugulexolodur.pdfIn PDF document text
- http://autowagon.it/userfiles/files/wewutalanamomar.pdfIn PDF document text
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/161457899ad1e8---73951860996.pdfIn PDF document text
- https://hv2barrier.com/application/third_party/ckfinder/userfiles/files/18559259449.pdfIn PDF document text
- http://atomicattack.com/atomic/fckimages/file/fejorisezoguselexijezow.pdfIn PDF document text
- http://luxcottage.ru/stroykamen/userfiles/file/wadufonalulavuvuwofudu.pdfIn PDF document text
- https://cbconsulting112.ca/userfiles/files/75784679700.pdfIn PDF document text
- http://phutungototuanphat.com/img-tvdl/files/43371715100.pdfIn PDF document text
- https://vhssirimpanam.org/ckfinder/userfiles/files/tekozoji.pdfIn PDF document text
- https://uat-tunisia.com/userfiles/file/ninavisuzodovobone.pdfIn PDF document text
- http://playbabydoll.com/userfiles/file/1305779571.pdfIn PDF document text
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161444d85b9c57---14408138484.pdfIn PDF document text
- http://veterinariogiardinelli.it/userfiles/files/sasasetime.pdfIn PDF document text
- https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/16141f2c443c01---95597392714.pdfIn PDF document text
- https://amatnieks.com/pictures/image/85482454322.pdfIn PDF document text
- http://bjdfszwy.com/filespath/files/20210916131219.pdfIn PDF document text
- http://rapabzenec.cz/obrazky/files/77942773776.pdfIn PDF document text
- 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_off0000baba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBABA | 16760 bytes |
SHA-256: 5677375b8950f500b33600ead57497b6cdb8bea6d51defe2db277f0d22f481db |
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font_01_sfnt_off0000e639.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE639 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fe50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE50 | 11088 bytes |
SHA-256: 54e2fece851fc44608356ae53a6dd40fe5a138fad30a160a366001671557818d |
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