MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with a primary URL pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to salary increases and the malicious URL itself, suggesting a lure to trick users into clicking the link. The ML classifier strongly flagged this PDF as malicious. No scripts were extracted from this sample.
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=tabela+de+aumento+salarial+2020+mo%25C3%25A7ambique+pdf
- http://files.jayantiyoga.com/uploads/1/3/2/6/132682585/069e98692213150.pdf
- http://paxopoz.littlefeatherfoundation.com/uploads/1/3/0/7/130775735/sitisezowiti.pdf
- http://files.bigdoglabradoodles.com/uploads/1/3/2/8/132814096/kodefuvivugixob.pdf
- http://files.uusl.net/uploads/1/3/1/4/131408170/1284853.pdf
- https://cdn.shopify.com/s/files/1/0429/9938/2170/files/66829415162.pdf
- https://cdn.shopify.com/s/files/1/0432/2358/0830/files/508957232.pdf
- https://cdn.shopify.com/s/files/1/0429/0409/2839/files/ruwawo.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pejuzesuloroxutebed.pdf
- https://cdn.shopify.com/s/files/1/0430/6488/5397/files/bible_commentary_on_the_book_of_genesis.pdf
- https://cdn.shopify.com/s/files/1/0434/8513/5014/files/scientific_calculator_ti_84_online.pdf
- https://cdn.shopify.com/s/files/1/0433/8316/0995/files/64843624972.pdf
- https://cdn.shopify.com/s/files/1/0431/0636/9697/files/48058718303.pdf
- https://cdn.shopify.com/s/files/1/0431/6394/3067/files/antiderivatives_of_trigonometric_functions.pdf
- https://cdn.shopify.com/s/files/1/0432/3042/9346/files/excavating_turtle_code_minecraft.pdf
- https://cdn.shopify.com/s/files/1/0433/8493/0462/files/rifuvadegam.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/51686393220.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_off00006875.binf0a81386363775921394092afbda5f4ac3d9ac07df61a317d0ffd463ecca8049 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6875 | 5856 bytes |
font_01_sfnt_off00007c40.bin8a8a3447697e71a442e082b87629cb0682a96a2da26d3dcdf0c7f3dc12762514 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C40 | 13320 bytes |
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