MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or SEO manipulation tactic. The ML classifier also strongly indicated maliciousness. While no scripts were extracted, the presence of numerous links to potentially malicious or SEO-abused content, combined with the ML detection, points to a malicious document likely intended to lure users to external sites, possibly as part of a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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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://kuzutuzo.ru/award?keyword=catholic+teaching+on+purgatory+pdf PDF link annotation
- https://narobukedezupe.weebly.com/uploads/1/3/0/7/130738621/dikomu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465390/normal_5fdc1a68a6c97.pdfIn PDF document text
- https://cdn.sqhk.co/zurefaxenov/5hbfslq/9721022575.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4405950/normal_603080284f4f7.pdfIn PDF document text
- https://cdn.sqhk.co/nejijilo/gijhbCA/jivuwesiwu.pdfIn PDF document text
- https://ronifevux.weebly.com/uploads/1/3/4/7/134737402/regibuzunowiv.pdfIn PDF document text
- https://tuwazumabokanif.weebly.com/uploads/1/3/4/6/134611666/8958931.pdfIn PDF document text
- https://cdn.sqhk.co/zitiwofiru/gMUif8j/82764986424.pdfIn PDF document text
- https://cdn.sqhk.co/logulemuset/cdJuo0G/58701839556.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486206/normal_603564b7730e1.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4461207/normal_5ffad5d6205b4.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://9005a25f-7293-4a73-bb0f-bc58e8c16807.filesusr.com/ugd/e3834b_eca2e44db77347548c21fb14d9b90075.pdf?index=trueIn PDF document text
- https://5984e891-aecd-43e6-866f-efdb297c9c35.filesusr.com/ugd/403565_b03d81d3e06c4d4c86c9885e6214083f.pdf?index=trueIn PDF document text
- https://01c19f78-c7d0-441a-b56a-8672493f87de.filesusr.com/ugd/9d66c7_cf599b649ccd4100ad27900307641e28.pdf?index=trueIn PDF document text
- https://d926c97b-7f3b-4ec8-a52a-318bcb589338.filesusr.com/ugd/120f26_e76274bf5d5f4a1da8c641a44adcc499.pdf?index=trueIn PDF document text
- http://lojizigakuxit.epizy.com/61359340365.pdfIn PDF document text
- https://4c5ad993-366d-4b3a-aa99-9b6f56583180.filesusr.com/ugd/01e791_62b255950bbe4b908a9fb97793d97e14.pdf?index=trueIn PDF document text
- http://lizivaxexanegov.rf.gd/is_intel_celeron_n3350_good.pdfIn PDF document text
- https://a181bb3e-7445-4f1f-a1cf-b2fe66c13e92.filesusr.com/ugd/91ce54_6a4d5d4a0a5a45cf9f7d1274bce7ffaf.pdf?index=trueIn PDF document text
- https://d992f69e-bc5b-430a-92d7-abfd66d0380b.filesusr.com/ugd/6f7357_cf449c64ba9842cfbb18af258d51f1b0.pdf?index=trueIn PDF document text
- http://xotebovujuba.epizy.com/gloomhaven_scoundrel_guide.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_off00011c2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C2F | 5244 bytes |
SHA-256: f05b081c94cbb4acccb2e3fa9a2176e8f0fbd6fe97fcbc79173f53f81b146e90 |
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font_01_sfnt_off00012e06.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E06 | 10780 bytes |
SHA-256: e872a9f7d1253f5e714b109b6b2856bcb77a68cedf3f0132f5911ea308609fff |
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