MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to external PDF files, characteristic of a link farm. One of these links, 'https://ttraff.cc/pify?keyword=ley+austeridad+republicana+pdf', is identified as a malicious redirector. The ML classifier also strongly indicates maliciousness. The document body, though heavily obfuscated, contains references to the redirector URL and other PDF links.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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://ttraff.cc/pify?keyword=ley+austeridad+republicana+pdf
- http://files.silas-house.com/uploads/1/3/1/4/131407767/5134115.pdf
- http://files.mnrpcv.org/uploads/1/3/2/3/132303374/664c9be.pdf
- http://files.sacredheartemmett.com/uploads/1/3/1/4/131409755/8841854.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/2779/9957/files/unity_jiggle_bones.pdf
- https://cdn.shopify.com/s/files/1/0430/2825/0781/files/sapamovev.pdf
- https://cdn.shopify.com/s/files/1/0431/4192/2982/files/42745694921.pdf
- https://cdn.shopify.com/s/files/1/0433/3492/6495/files/lunav.pdf
- https://cdn.shopify.com/s/files/1/0429/6415/6575/files/punamakunegededodabe.pdf
- https://cdn.shopify.com/s/files/1/0431/3805/6354/files/10694717748.pdf
- https://cdn.shopify.com/s/files/1/0433/3817/0523/files/www._codejunkies._com_manual_3ds_powersaves_2.pdf
- https://cdn.shopify.com/s/files/1/0432/3006/8894/files/40316065233.pdf
- https://cdn.shopify.com/s/files/1/0428/4389/8022/files/wojetezojosiwuzupaxoj.pdf
- https://cdn.shopify.com/s/files/1/0434/5731/4977/files/57200568988.pdf
- https://cdn.shopify.com/s/files/1/0431/2314/6906/files/change_file_to_iphone.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000513b.binbd3776a023ee215199a0e30676e5dc88eb567ed42a08312e852e7b545843fd63 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x513B | 5332 bytes |
font_01_sfnt_off00006373.bina5683fead5fdf95b2fd085900934b460437391cf20b8014584555435172411a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6373 | 10928 bytes |
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