MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm with 28 external PDF links, many of which point to potentially malicious redirector infrastructure. The primary malicious link identified is 'https://ttraff.ru/pify?keyword=sheet+metal+forming+nptel', which is flagged as a known malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting an attempt to lure users to malicious content.
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=sheet+metal+forming+nptel
- http://tonejaz.expressivetherapiesutah.com/uploads/1/3/0/9/130969060/9042592.pdf
- http://files.dodici-azpadu.com/uploads/1/3/1/6/131606951/januwuk.pdf
- http://lokofib.eganvillerotary.com/uploads/1/3/0/7/130739745/c14269b5cd.pdf
- http://vomapaxa.roxannesmith.ca/uploads/1/3/2/7/132740214/mujefedeko.pdf
- http://zamematir.tintawitaelderliving.com/uploads/1/3/0/8/130874038/8938673.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/1963/1765/files/blue_cross_blue_shield_provider_manual_texas.pdf
- https://cdn.shopify.com/s/files/1/0427/4244/8295/files/58242503161.pdf
- https://cdn.shopify.com/s/files/1/0431/0076/6369/files/zogelaze.pdf
- https://cdn.shopify.com/s/files/1/0438/9198/2491/files/emerald_tablets_of_thoth_book.pdf
- https://cdn.shopify.com/s/files/1/0433/7650/9080/files/74940319350.pdf
- https://cdn.shopify.com/s/files/1/0433/3325/5323/files/75250082361.pdf
- https://cdn.shopify.com/s/files/1/0431/7439/6058/files/zikovigasumufexemumi.pdf
- https://cdn.shopify.com/s/files/1/0436/6984/8217/files/invitations_for_60th_birthday_party_templates.pdf
- https://cdn.shopify.com/s/files/1/0435/7806/5059/files/fezufegewalalisil.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_off00006131.bin31e133071e396d4bb454eecb59fbe7b8a94d98e98127b8efc5349fefda1fcfa5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6131 | 5240 bytes |
font_01_sfnt_off000072e0.bin9ff1e8cd47a8c15fa1a1cb41eaf080e4cad070497ab29de8b4e46e1e7a7dd92e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72E0 | 10376 bytes |
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