Malware Insights
The PDF document contains multiple heuristics indicating malicious intent, including ML classification, security bypass instructions, and a password archive lure. The embedded URL 'https://crophysi.ru/strik?utm_term=download+nitro+pro+9+full+crack+gratis' suggests a phishing attempt for software cracks. The document body, though heavily obfuscated, contains references to 'wkhtmltopdf' and a date, aligning with the file's metadata. The presence of embedded URLs and the overall structure point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 8
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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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Security software disable instruction high SE_SECURITY_BYPASSDocument instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://crophysi.ru/strik?utm_term=download+nitro+pro+9+full+crack+gratis PDF link annotation
- https://cdn-cms.f-static.net/uploads/4409798/normal_6041090893569.pdfIn PDF document text
- https://cdn.sqhk.co/nefakovuwot/duijaMW/sculpture_garden_nj_rat_s_restaurant.pdfIn PDF document text
- https://cdn.sqhk.co/gogoturowib/jfFZWgh/best_songs_of_john_farnham.pdfIn PDF document text
- http://mugukix.mygamesonline.org/statistical_rethinking_a_bayesian.pdfIn PDF document text
- https://cdn.sqhk.co/lebapivi/Bji1Euf/kart_racing_helmet_camera.pdfIn PDF document text
- https://waruzakelejabu.weebly.com/uploads/1/3/4/6/134600446/xeminesexuzijowe.pdfIn PDF document text
- https://rewazute.weebly.com/uploads/1/3/4/6/134648352/zuzugu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412396/normal_606a8f864c273.pdfIn PDF document text
- https://cdn.sqhk.co/mokopizel/gchagjh/fuwuvuronejefasoda.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4529780/normal_6021725f386cf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4491155/normal_60289045eb003.pdfIn PDF document text
- http://kimiter.medianewsonline.com/aleksandrova_tehnika.pdfIn PDF document text
- http://pasiworuwiwoz.getenjoyment.net/ginozataledumopibuvogimat.pdfIn PDF document text
- https://kinixudowobi.weebly.com/uploads/1/3/5/3/135399761/wikuxuzap-sufurusuxixoti-nitowubaxu.pdfIn PDF document text
- http://jugepawe.medianewsonline.com/temezumiwodijixaponevuv.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://rodedewezijore.atwebpages.com/threats_to_validity_and_reliability.pdfIn PDF document text
- http://bitines.myartsonline.com/javascript_programmers_reference.pdfIn PDF document text
- http://bopewexe.onlinewebshop.net/automobile_engineering_basics.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9051273b-caef-4869-9786-5251b5b2ac11/dagevogero.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3bf2be54-810e-4b07-b86c-9ab9b2f04a99/pubiminamexuwamisos.pdfIn PDF document text
- http://fatavetotujel.onlinewebshop.net/zopepinonewimaxafoxivuf.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e2240042-e298-43c2-b36e-8c29ca447bb1/grammaire_mthodique_du_franais_gratuit.pdfIn PDF document text
- http://tonavisuma.onlinewebshop.net/96046061487.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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ebaf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBAF | 5636 bytes |
SHA-256: 353d9c94b35d12249a47f2e32451d9344009b3b3d1d6877889f75e8f0ddc47a2 |
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font_01_sfnt_off0000ff08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF08 | 11948 bytes |
SHA-256: 5c9f49ef209f656bb9a046d2f4acb634586f06627b33193387208e2ed4b1e8e8 |
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