MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text suggesting a lure related to an 'ecological economics book pdf'. The presence of many external links, including to benign Shopify URLs, indicates a link farm strategy, likely to improve SEO for malicious content. The ML classifier also 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=ecological+economics+book+pdf
- http://roser.insightcounsellingtoronto.com/uploads/1/3/1/4/131414661/boregetunajilulod.pdf
- http://files.customdvs.com/uploads/1/3/0/8/130874485/xeduverefidake.pdf
- http://files.thebeaverindustries.com/uploads/1/3/2/7/132740814/xoxarizexamad.pdf
- http://nulawa.workbyronjohnson.com/uploads/1/3/2/6/132696414/3227551.pdf
- http://files.gpvaniermusic.com/uploads/1/3/1/0/131070317/doletube.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/0704/9877/files/boosting_self_esteem.pdf
- https://cdn.shopify.com/s/files/1/0431/6659/7269/files/apush_period_2_key_concepts_review_answers.pdf
- https://cdn.shopify.com/s/files/1/0432/7702/5446/files/98630926285.pdf
- https://cdn.shopify.com/s/files/1/0432/7027/5237/files/asciidoctor-_toc_macro.pdf
- https://cdn.shopify.com/s/files/1/0450/5288/7190/files/ncert_class_11_biology_anatomy_of_flowering_plants.pdf
- https://cdn.shopify.com/s/files/1/0440/8151/2613/files/ashirwad_mantra_telugu.pdf
- https://cdn.shopify.com/s/files/1/0429/5272/0543/files/54361902819.pdf
- https://cdn.shopify.com/s/files/1/0428/9472/1187/files/75957293005.pdf
- https://cdn.shopify.com/s/files/1/0430/8205/5842/files/dawoodi_bohra_topi_design.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_off00005c5a.binadc7e64f24ca9a04c8e3c2032d399352a0e2e8b91f66dfae43078e2a3a2da967 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C5A | 5540 bytes |
font_01_sfnt_off00006f1e.bin9a28ff3b442f68a5179a23bd5cb63243a27b91afb815152eb93284c4da2c1233 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F1E | 9772 bytes |
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