MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of embedded links, many of which point to link farms and at least one known malicious redirector. The document body, though heavily obfuscated, appears to contain a URL that is also flagged as a malicious redirector. This suggests an attempt to drive traffic to malicious infrastructure, likely for further exploitation 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/wix?keyword=hodge+theory+and+complex+algebraic+geometry+pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0436/2692/2146/files/ged_civics_test_questions_and_answers.pdf
- https://cdn.shopify.com/s/files/1/0436/7882/6661/files/gemagosilejoxeb.pdf
- https://cdn.shopify.com/s/files/1/0429/7926/2615/files/7440727323.pdf
- https://static.usrfiles.com/ugd/cf14a4_31a210633f6943bea73eeed5f1ad79a6.pdf
- https://static.usrfiles.com/ugd/9b5f63_cd18c668cc1846ac99581113268c5c58.pdf
- https://static.usrfiles.com/ugd/2b3f46_96c3ed6c27da48e180e40aa6445d4c94.pdf
- https://static.usrfiles.com/ugd/7603ae_5862a0046d654e56b626bffc04c200f2.pdf
- https://cdn.shopify.com/s/files/1/0463/0809/8205/files/nejolelepuf.pdf
- https://cdn.shopify.com/s/files/1/0431/0191/3244/files/ali_baba_chalis_chor_story_in_english.pdf
- https://cdn.shopify.com/s/files/1/0432/2210/6271/files/nilelijazaxuzukuv.pdf
- https://cdn.shopify.com/s/files/1/0432/8030/2244/files/bootstrap_template_for_tutorial_website.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_off00005c01.bin2b2caf2a13e8b99d1733306ff5d465cd3e61dbe50e4db1e7a92dcbfdc82f5965 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C01 | 5660 bytes |
font_01_sfnt_off00006f21.bin0cbbdac0a3c73428c91ab1f0fbe342027c221b84b4321573cc51f37b3ac45d6b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F21 | 10444 bytes |
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