MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to what appears to be a link farm designed for SEO manipulation. One of these links, https://ttraff.cc/wix?keyword=meses+hebreos+y+equivalentes+pdf, is flagged as a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily corrupted, contains the title 'Meses hebreos y equivalentes pdf' and the malicious URL, suggesting a lure to a malicious site.
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/wix?keyword=meses+hebreos+y+equivalentes+pdf
- https://static.usrfiles.com/ugd/b8c837_a2e58e398be845f0a68eaf279256ff45.pdf
- https://static.usrfiles.com/ugd/0511f5_152a36e6efe74acc85bdb1239aa0d826.pdf
- https://static.usrfiles.com/ugd/fe83c3_ed11dab2a3ef4da7b29b3d5df37f8034.pdf
- https://static.usrfiles.com/ugd/0a593f_65e1c46fa5fa4464b7a1b002f4a42715.pdf
- https://static.usrfiles.com/ugd/b8c837_16e25ccc27be480499701f392cade4ff.pdf
- https://cdn.shopify.com/s/files/1/0438/9571/8040/files/54270376225.pdf
- https://cdn.shopify.com/s/files/1/0428/5415/4406/files/moxedodojefuzokigaj.pdf
- https://cdn.shopify.com/s/files/1/0431/2901/2381/files/43163292695.pdf
- https://cdn.shopify.com/s/files/1/0434/8562/6520/files/29716736512.pdf
- https://cdn.shopify.com/s/files/1/0431/0014/3777/files/apache_hive_cookbook_download.pdf
- https://cdn.shopify.com/s/files/1/0432/7371/5870/files/bosch_800_series_dishwasher_manual.pdf
- https://cdn.shopify.com/s/files/1/0435/2396/5080/files/cch_ct_file_bng_nitro.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/
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000856e.bin7f60d17440adcdba5ef04f24e5fa6880f0d3cc64fe2684aa936cf4938ff36950 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x856E | 5444 bytes |
font_01_sfnt_off000097ec.bin510570882799ea22bbccfe58b815e01a0f415132813e3c6c524cb6b97d7cf450 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x97EC | 11244 bytes |
font_02_sfnt_off0000bc6b.bin4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC6B | 4324 bytes |
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