MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with one critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that matches the malicious redirector. The presence of numerous external PDF links suggests a link farm or redirection tactic to obscure the ultimate destination.
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=avifauna+colombiana+ayerbe+pdf
- http://files.semmuna.org/uploads/1/3/1/6/131606454/b6366972e8d4173.pdf
- http://files.gardenmda.info/uploads/1/3/2/6/132682293/9606263.pdf
- http://xufilo.isamurats.co.uk/uploads/1/3/1/4/131406717/a5aacdc0.pdf
- http://files.katherinemanaan.com/uploads/1/3/1/0/131070080/tewufal-satenuvode-jofixakamugi.pdf
- http://files.heartofasiatravels.com/uploads/1/3/0/8/130813111/2174998.pdf
- https://cdn.shopify.com/s/files/1/0431/3815/4653/files/second_conditional_exercises_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0433/8984/5671/files/75044732636.pdf
- https://cdn.shopify.com/s/files/1/0438/7107/6520/files/49082243829.pdf
- https://cdn.shopify.com/s/files/1/0430/9018/2304/files/81967155738.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xopafomapezujiwowab.pdf
- https://cdn.shopify.com/s/files/1/0428/2066/5510/files/82802995223.pdf
- https://cdn.shopify.com/s/files/1/0434/4968/0028/files/4223905149.pdf
- https://cdn.shopify.com/s/files/1/0431/6784/2459/files/double_column_cash_book_questions_and_answers.pdf
- https://cdn.shopify.com/s/files/1/0433/7342/8888/files/mixededezanugawufi.pdf
- https://cdn.shopify.com/s/files/1/0434/9073/8328/files/medicinal_plants_articles.pdf
- https://cdn.shopify.com/s/files/1/0437/4573/8903/files/youtube_to_mp3_unblocked.pdf
- https://cdn.shopify.com/s/files/1/0434/0989/9670/files/pases.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000093b7.bin9ba8f558d070a98dc1592611392bafeed99ec167425c3aab611e7663cc029fc4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x93B7 | 5412 bytes |
font_01_sfnt_off0000a615.bin65101552c9e5d7e3239ba6b986fc0e77f2a85f083572d388793f9d3c49df97ae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA615 | 11464 bytes |
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