MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains a large number of embedded links, many of which point to disposable hosting or known malicious redirectors. The primary malicious URL identified is https://cctraff.ru/strik?keyword=covalent+bonds+form+between+two+oxygen+atoms, which is flagged as a known malicious redirector. The document's content appears to be a lure to encourage clicks on these links, likely leading to further malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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://cctraff.ru/strik?keyword=covalent+bonds+form+between+two+oxygen+atoms In PDF document text
- https://virataxutepubom.weebly.com/uploads/1/3/0/8/130874282/30bfad0a6af73ae.pdfIn PDF document text
- https://femekeviwafuga.weebly.com/uploads/1/3/4/3/134345727/moleje-jumokipuju.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365646/normal_5f894b1bc31b7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365659/normal_5f9118870d5cc.pdfIn PDF document text
- https://sozivutapadonen.weebly.com/uploads/1/3/1/1/131164462/6173703.pdfIn PDF document text
- https://vilukenuxe.weebly.com/uploads/1/3/2/8/132814007/7922075.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4389603/normal_5f9897aceee5c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369153/normal_5f8e522d0302e.pdfIn PDF document text
- https://tadeganerusoza.weebly.com/uploads/1/3/1/4/131438541/pusexevodogivudo.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0501/3281/1957/files/71711934354.pdfIn PDF document text
- https://s3.amazonaws.com/tetazino/29390349353.pdfIn PDF document text
- https://s3.amazonaws.com/jafujasiwetid/savodufejolun.pdfIn PDF document text
- https://s3.amazonaws.com/fedufiporara/55481418531.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3aa23c7b-c691-431d-81e4-f7150028de23/hzl_ve_fkeli_8_trke_dublaj_ses.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1684/5469/files/street_fighter_3_download_android.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7ec819e9-7133-4bca-aa45-efe7320f85af/69128626784.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/db94b16b-3630-43eb-b349-56c43a35013d/26611083858.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0480/5322/3588/files/how_to_subtract_vectors_in_r.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/57db7e79-3990-4d98-93b5-70a910994e1d/nijizokaj.pdfIn PDF document text
- https://s3.amazonaws.com/rozebofukixus/ambivalent_attachment_style.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a306a05a-bd22-4186-a061-952a4eaa8ddc/69273138099.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d3bdba80-9bf0-4e4b-89c4-c669a050e18b/harry_tiempo_de_lirio-viajar_fanfict.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_off00007a97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A97 | 5596 bytes |
SHA-256: a42b2928cbe3dea5c2a11e24913b6ef969df2d39b421c65b3d518124718d564f |
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font_01_sfnt_off00008da8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8DA8 | 11088 bytes |
SHA-256: 8e6c8bb448f27b300a184b21479663fcd9ee23310ac81938c8981e77f15efb2b |
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