MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to potentially malicious domains. The 'SE_CALLBACK_LURE' heuristic strongly suggests a callback phishing or tech-support scam, where the user is prompted to call a number. The ML classifier and ClamAV detection further support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9888
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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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/pbc9pbqlo752g9m73hcp4qs1vk/91207154459.pdf
- https://aksusu.com/upload/files/rupuzexalake.pdf
- https://smsenerji.com/resimler/files/59504132021.pdf
- http://ajej.pretty-match.com/upload/files/kukomizuda.pdf
- https://jjcfurnituremaker.com/userfiles/files/1987590344.pdf
- http://www.lalorraineperdue.com/documents/30334563998.pdf
- https://artedeeducar.com.br/ckfinder/userfiles/files/wemuwijikijowabari.pdf
- http://kosmonautika.ee/ckfinder/userfiles/files/5797208209.pdf
- https://108pizza.pl/uploads/userfiles/files/19807469386.pdf
- http://ankaraeksioglu.com/resimler/files/19516431865.pdf
- https://hostsolutions.ro/app/webroot/files/userfiles/files/mafek.pdf
- http://www.mananthavadynorbertines.org/www/js/ckfinder/userfiles/files/9131978672.pdf
- http://swhos.com/upload/files/tizudam.pdf
- http://clickvay.com/upload/files/wolerutumidifovabepef.pdf
- http://whuntex.ru/userfiles/file/7742760478.pdf
- http://nedirajtebosnu.net/userfiles/file/sosuxaxip.pdf
- https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/9213a27d60cfa462957caafe74d48454/12124046914.pdf
- http://studiospazioambiente.it/userfiles/files/33873163168.pdf
- https://vnnc.vn/img-hdmedia/files/67743144465.pdf
- http://heimundsicherheit.de/userfiles/file/89213989051.pdf
- http://lyzebrno.cz/userfiles/file/zoxigajis.pdf
- https://myvideoclasses.com/ci/userfiles/files/pikemiminafadaba.pdf
- https://kalitelivideoizle.com/resimler/files/8885848474.pdf
- http://myhomeinparis.com/userfiles/files/momufomefegolezajuvudov.pdf
- http://paoladebenedetti.eu/userfiles/files/60837602096.pdf
- https://kovtec.pl/eurostyl/photos/file/selulugafepugorakir.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=ps2+games+rom
- 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_off00010a16.binccbeeb707d79c903c18df3cff8d11f60b32005e2ad227f4d6de202ba3191527f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A16 | 18516 bytes |
font_01_sfnt_off000139f1.bin6c93ba68af661f7e49e5d817d5f6c0ec2746ee2445fac5b70e5022489d7a2f2d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139F1 | 10232 bytes |
font_02_sfnt_off00015107.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15107 | 16792 bytes |
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