MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, with critical heuristics identifying it as a malicious redirector and a link farm on disposable hosting. The ML classifier and ClamAV detection strongly indicate malicious intent. The primary malicious URL identified is dafemum.ru, which is used in conjunction with keywords suggesting a lure, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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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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://dafemum.ru/wix?keyword=spyderco+slysz+bowie+clone In PDF document text
- http://zixivudu.getenjoyment.net/mepereratefajedezupofeb.pdfIn PDF document text
- https://kurupatasewa.weebly.com/uploads/1/3/5/9/135958836/9eb0a6f46e3a.pdfIn PDF document text
- https://somotudodij.weebly.com/uploads/1/3/4/6/134699902/dowagugofeminil.pdfIn PDF document text
- https://bosaralox.weebly.com/uploads/1/3/4/6/134608385/f0c58d032209a.pdfIn PDF document text
- http://crawlmqyu.space/what_are_the_circle_theoremswuter.pdfIn PDF document text
- http://dommasters.site/adivina_el_animal_con_sonidoscq75n.pdfIn PDF document text
- http://quickpapp.online/viwururisiw3y6d.pdfIn PDF document text
- http://poxumanavofeboz.scienceontheweb.net/32854909122.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/f311d9cf-7393-4821-ad2e-14431c68b80a/the_maze_runner_book_genre.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ffe52204-829b-4c8f-bc0f-f945eba987e8/how_do_i_share_a_web_page_on_facebook.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6f5300cf-13b8-43d2-a41a-bc8bf163d6cf/2000_jeep_wrangler_rust_repair_panels.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ef599e47-3996-49e9-91c9-d0b46146518e/true_freezer_t-23f_temperature_control.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fdeb3b84-1ad9-4598-97d9-20c34af865ae/tarenabetamufomape.pdfIn PDF document text
- http://wozimape.onlinewebshop.net/predator_8750_generator_carburetor_cleaning.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8dc16d90-3b31-4c1a-a97b-3eb505444bf5/where_can_i_find_the_book_of_enoch.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/79646bfe-3a2a-4bed-aede-3ed337f14c5b/how_to_determine_volume_of_cylinder_in_gallons.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d3d716df-4499-4ec3-8d1e-00dcb1a4e521/onkyo_tx-nr616_setup.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e45dc706-8629-42ee-bdf3-e0eae8296a2a/89970224320.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/70006a8c-8197-4b2e-b5b7-27bc897e5002/87782976063.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3cddd541-357c-47aa-a44f-731d8575fa90/how_to_do_fractions_on_a_ti-84_plus_silver_edition_calculator.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_off0000d9b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9B4 | 5344 bytes |
SHA-256: 670a60124f4082a04e77ddb33afa88f2fda54b275f08bf6c34274c35eea0b6ae |
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font_01_sfnt_off0000ec0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC0D | 10928 bytes |
SHA-256: 936e89ededc18de7e96220f045e59da98375aa3717d1fe24330f2611ad635e7d |
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