MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, a common tactic for phishing or SEO spam campaigns. One URL, 'https://yafferge.ru/strik?utm_term=letter+of+recommendation+for+special+education+director', is flagged as a malicious redirector. The presence of many links on disposable hosting further supports the spam/phishing nature of this document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 6
-
ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
-
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.
-
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.
-
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.
-
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.
-
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://yafferge.ru/strik?utm_term=letter+of+recommendation+for+special+education+director In PDF document text
- https://cdn.sqhk.co/fetumamuv/ejf9ii5/12794805719.pdfIn PDF document text
- https://cdn.sqhk.co/tobijoge/gijjiam/72199104931.pdfIn PDF document text
- https://cdn.sqhk.co/jujadiziga/hhWx8hg/91567696195.pdfIn PDF document text
- https://cdn.sqhk.co/repudodo/hcHi4Nw/anthem_of_heroes_apk_mod.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://26c1613e-5d28-4fa3-89cb-3d2c9ab59faf.filesusr.com/ugd/fe83c3_062fbaf7147e479ca8df345943939776.pdf?index=trueIn PDF document text
- https://b32521b7-32ca-447e-9967-d27d0dce683d.filesusr.com/ugd/800b88_185d7825aff640d8b00edc55796c13f7.pdf?index=trueIn PDF document text
- https://4ef57e19-9a2e-4e6f-a444-f6b59f982a39.filesusr.com/ugd/4c1554_d30a8adfd9d44d0d85c86417d927fbef.pdf?index=trueIn PDF document text
- https://c580675e-8888-491d-8c80-3106eaac86fb.filesusr.com/ugd/c8a981_74296d3a9f834e278c48955146e8b68d.pdf?index=trueIn PDF document text
- https://02314edc-d025-420b-9d62-795437f25c47.filesusr.com/ugd/4f0fc1_e7aabb2faab9484ca3202f8c7d2fd1cf.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/12d2f5c6-9c80-40d3-a677-9002c6218d6f/29112243537.pdfIn PDF document text
- https://551f0ad2-75d1-4009-b90b-2f3e3e20230b.filesusr.com/ugd/c2bf0a_3d964ff474704d3a863633a1fdd69f23.pdf?index=trueIn PDF document text
- https://c8d0f166-86fd-441b-8df5-aa5e6c6c7644.filesusr.com/ugd/f4b3af_8811536a4d8e425c999fbe16cf54b2c1.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/901c4c8a-b1a1-4f64-a61e-d92b1b5ae758/wudoloxodutatowulaxetuf.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/35dee865-bfa8-43f4-9b65-ea12cad3aa88/88880587894.pdfIn PDF document text
- https://a804c8a8-fdf7-4fba-b19b-c23aecc29597.filesusr.com/ugd/a7074a_1d277de0b73a40079e8a212f5b9e0e07.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/1d110e73-fc7a-4e30-ae24-e457b0c762b6/sherwood_rx_4109_remote_control.pdfIn PDF document text
- https://ea74ff18-003d-4094-8454-8d7e15e33abb.filesusr.com/ugd/50de67_f6ff86c571fa40e287510292578a2a3f.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/0675cb9c-923b-4efb-b358-7bee2642a9ef/mikijukit.pdfIn PDF document text
- https://84d51d8d-5932-465a-b044-5d36dace581c.filesusr.com/ugd/98e2de_7636f470e9694af99c523e85c5b5873a.pdf?index=trueIn PDF document text
- https://36fc1fe3-b646-4cc1-b6e9-de51469aea27.filesusr.com/ugd/3eb4bd_9a8cc068fa8047eca22277efc6e0a350.pdf?index=trueIn PDF document text
- https://8319d365-0190-44ee-b2f3-e76f6fd230eb.filesusr.com/ugd/112488_219cf4e725f14a69bbdcf13c1fa0754b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/3a496258-60c4-4bd8-90a1-efe88f0ed014/what_are_the_22_movies_leading_up_to_endgame.pdfIn PDF document text
- https://6776ac3f-883f-499f-bc52-38dff818ec46.filesusr.com/ugd/969751_5ea308fd0b114b8e81059b43a1a2f1cf.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/619f1332-2865-49e4-97e9-0bebf16e2808/what_is_shadow_work_spiritual.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_off00012888.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12888 | 5240 bytes |
SHA-256: 4a713030d0bba1df94892e96a3e40c55a9388f6bd1a4bbe6f37cf9fc0852faa5 |
|||
font_01_sfnt_off00013a4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A4B | 11468 bytes |
SHA-256: 43591629f069615281ff418904bef744aaf4ddaaa49040bcc545fa0e1b100f22 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.