MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, with one critical heuristic identifying it as a link farm pointing to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that matches the one flagged by the redirector heuristic. The presence of numerous links, including one to a malicious redirector, suggests an attempt to drive traffic to malicious sites for potential malware delivery or phishing.
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=algorithms+design+techniques+and+analysis+answer
- http://files.indianamainecoons.com/uploads/1/3/0/7/130739369/4859418.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/7133/2767/files/sezinejosazaboxabe.pdf
- https://cdn.shopify.com/s/files/1/0433/4298/7423/files/80553375124.pdf
- https://cdn.shopify.com/s/files/1/0464/5729/0920/files/spotify_free_mac_air.pdf
- https://cdn.shopify.com/s/files/1/0427/4873/9740/files/can_adobe_acrobat_standard_dc_convert_to_word.pdf
- https://cdn.shopify.com/s/files/1/0430/4823/9257/files/92230120956.pdf
- https://cdn.shopify.com/s/files/1/0432/5598/8374/files/46021621191.pdf
- https://cdn.shopify.com/s/files/1/0439/2707/7032/files/76247600948.pdf
- https://cdn.shopify.com/s/files/1/0427/7967/2735/files/ultrasound_atomization_humidifier_user_manual.pdf
- https://cdn.shopify.com/s/files/1/0431/2711/1841/files/chemical_bonding_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0428/6673/7311/files/gakegutelinunepofidemub.pdf
- https://cdn.shopify.com/s/files/1/0429/6146/9596/files/texozorumoxukasexikozev.pdf
- https://cdn.shopify.com/s/files/1/0430/9568/7317/files/sandvik_cutting_tools_catalog.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_off00004b37.bin1405f921623cd242716b2591979e74881822fcb5cdd7f76e501641b0d7c8bb22 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4B37 | 5664 bytes |
font_01_sfnt_off00005e62.binacddb6f42f6d1a098a33fcf00199a8a9ab3b0bead45c664f272fb9fdd4a0d485 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E62 | 9892 bytes |
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