MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by multiple heuristics and an ML classifier, with ClamAV detecting it as Pdf.Phishing.Trojan. The file contains a large number of external links, many pointing to disposable hosting, indicating it functions as a link farm. The primary malicious URL identified is https://ponafet.ru/123?utm_term=android+anim+alpha+xml, which is likely used for phishing or distributing further malware. No scripts were extracted, but the PDF structure and link farm nature strongly suggest a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 6
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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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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://ponafet.ru/123?utm_term=android+anim+alpha+xml
- http://zikewexer.scienceontheweb.net/resumen_del_cuento_llano_en_llamas_de_juan_rulfo.pdf
- https://cdn-cms.f-static.net/uploads/4484097/normal_604fc515b9eba.pdf
- https://static.s123-cdn-static.com/uploads/4478125/normal_5fed0ffa8f6cd.pdf
- http://momarivido.mypressonline.com/como_se_hace_un_diagrama_de_flujo_circular.pdf
- http://jinevul.mygamesonline.org/duxekawopatitetifired.pdf
- https://cdn-cms.f-static.net/uploads/4373511/normal_6045111833015.pdf
- https://cdn-cms.f-static.net/uploads/4379732/normal_6066bd7f512e0.pdf
- http://rexonina.medianewsonline.com/positive_psychology_study_online.pdf
- https://static.s123-cdn-static.com/uploads/4414851/normal_60086fea6d131.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://d102a0f2-001f-4998-bb0a-88ac30ac05b5.filesusr.com/ugd/771ea4_9ce19c69879247d9bfcacbcd71fac9a6.pdf?index=true
- https://a6668164-4238-4e0d-addb-cc4c62f58fca.filesusr.com/ugd/2dfcca_bd44879de45b4a2d9b536daf20990484.pdf?index=true
- http://pozidijapepore.atwebpages.com/acquiring_medical_language_free.pdf
- https://c0cead0d-5248-483d-940e-95cc3acd9bde.filesusr.com/ugd/20d83a_bf182f369232487db9d30fcb378413cb.pdf?index=true
- https://6e8b94c7-278c-4a65-9c30-8d61c93a8f31.filesusr.com/ugd/9ff9b8_1ff87288dc1a4f8ba69048c0f2e35c87.pdf?index=true
- https://3f735f5a-cd1c-4288-bd93-adeff6e084d9.filesusr.com/ugd/bcc0e4_bf10ece8e69447599071163b95c0402a.pdf?index=true
- https://ede8a7a3-2377-4e09-926a-401222b31c25.filesusr.com/ugd/81c89d_7dd9054fbb7d463ba93c8da66810d364.pdf?index=true
- https://f89b8795-a90f-4359-81e0-6309601a98d9.filesusr.com/ugd/8e7730_24fecb4da13d4c95b2b33532dc3c9de8.pdf?index=true
- https://6a8c3f3f-5248-4e80-80e0-4bf2c04f72bc.filesusr.com/ugd/8b2c09_2c1722f518114e25b5bb0524bbf835df.pdf?index=true
- http://jemileti.atwebpages.com/butterball_turkey_air_fryer_cooking_times.pdf
- https://6ada6c45-9e8d-4063-9633-40b9e375d9b0.filesusr.com/ugd/9a7afa_55510bc0c2dd4e7c85dbc29238133fc3.pdf?index=true
- https://1628ddcf-e301-416d-9649-d9339b85441b.filesusr.com/ugd/0b1079_ba8bb6172548485fa108dae4c4cff7b5.pdf?index=true
- https://21e323bd-7fdd-46e9-a6c7-4880e76d7610.filesusr.com/ugd/0a51c1_9adf83cdaebf4143818ddbbb7d384842.pdf?index=true
- http://lonesopuw.onlinewebshop.net/52418280733.pdf
- http://sivikonalijuto.myartsonline.com/pdf_of_beta_prime_distribution.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://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e214.bin69c15008ab2bac507723c20c68be5321d7f8b610665c7de6bdd1bd76db65e28a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE214 | 5080 bytes |
font_01_sfnt_off0000f335.bine7f5c49325c57bb218ee19ff7f0c4090c3489c61f0b3e3127b13ba8428923548 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF335 | 11096 bytes |
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