MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though obfuscated, suggests a lure related to a 'student council application'. The presence of many external PDF links indicates a link farm, likely used to distribute further malicious content or for SEO poisoning. The ML classifier strongly flagged this PDF as malicious.
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=student+council+application+pdf
- http://files.mcconservation.org/uploads/1/3/0/8/130813888/duterizija_belox_setenokodi.pdf
- http://nivanake.deannastrasse.com/uploads/1/3/1/1/131163930/gapipogaxadot_nikuxor_binemux.pdf
- http://files.kspaceonline.com/uploads/1/3/1/3/131380868/b7e90.pdf
- http://files.jerkyjerkyfresno.com/uploads/1/3/1/3/131379980/b3a88538b0313c.pdf
- http://rubased.johngreinerferrisstudio.com/uploads/1/3/2/3/132302780/tegizagefujugum.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/4914/7816/files/muzubazorapasized.pdf
- https://cdn.shopify.com/s/files/1/0428/4357/0343/files/fugozezabiwavojewajaxol.pdf
- https://cdn.shopify.com/s/files/1/0429/0838/5439/files/princeton_reverb_schematic.pdf
- https://cdn.shopify.com/s/files/1/0437/6153/3089/files/dudetaxume.pdf
- https://cdn.shopify.com/s/files/1/0432/8400/5032/files/xukemodawelo.pdf
- https://cdn.shopify.com/s/files/1/0428/9747/3699/files/98505859120.pdf
- https://cdn.shopify.com/s/files/1/0431/7121/7572/files/42394014322.pdf
- https://cdn.shopify.com/s/files/1/0431/0361/7173/files/35453322149.pdf
- https://cdn.shopify.com/s/files/1/0436/3422/9406/files/guzuvivaronixazaze.pdf
- https://cdn.shopify.com/s/files/1/0435/4618/1787/files/sujimipu.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_off0000601e.binc9e40d0e8a53f583d1049a69671e7353bda0390b4e0037d6fd451805c8706a98 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x601E | 4980 bytes |
font_01_sfnt_off0000711f.bin352b854276a17c7891d5c04633552110b5f64272488ce239230a389cd0e6c760 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x711F | 9964 bytes |
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