MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of embedded links, many of which point to potentially malicious redirector infrastructure or link farms. The ML classifier strongly indicated maliciousness, and the presence of a redirector URL suggests an attempt to lead the user to a harmful site. No scripts were extracted, but the primary attack vector appears to be a link farm designed to drive traffic to malicious content.
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.ru/pify?keyword=mario+benedetti+te+quiero+pdf
- http://files.clydepartinmoncoinc.com/uploads/1/3/1/4/131437018/mutokotew.pdf
- http://files.santacruztrackclub.com/uploads/1/3/1/6/131637177/9c48df3b6816a3c.pdf
- http://files.johnwittejr.com/uploads/1/3/2/6/132682851/ffb3034.pdf
- http://files.unitetheminds.com/uploads/1/3/0/7/130739449/nowisirumawakudefoga.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/0127/3758/files/jiniko.pdf
- https://cdn.shopify.com/s/files/1/0440/0683/4334/files/nuduvep.pdf
- https://cdn.shopify.com/s/files/1/0428/3334/6719/files/dawubowo.pdf
- https://cdn.shopify.com/s/files/1/0432/6129/6790/files/lovosoduta.pdf
- https://cdn.shopify.com/s/files/1/0432/3396/8287/files/57141178440.pdf
- https://cdn.shopify.com/s/files/1/0428/3331/3958/files/pogozete.pdf
- https://cdn.shopify.com/s/files/1/0431/2920/8992/files/8434130659.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/2581582401.pdf
- https://cdn.shopify.com/s/files/1/0429/3391/1705/files/bewosogopewanajadometotis.pdf
- https://cdn.shopify.com/s/files/1/0430/7088/1946/files/22394162669.pdf
- https://cdn.shopify.com/s/files/1/0429/9633/4753/files/24274566026.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_off00005d2e.binae2295608ab178d7283e3fb018e135540d1f14b2f2a9f8a23c87c62ca0c0d72c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D2E | 5096 bytes |
font_01_sfnt_off00006e95.bin1e23e066a702fa444c536a86397025ca75ebd205f05a6fa4544b963f0e9685cf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E95 | 10480 bytes |
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