MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, with one identified as a known malicious redirector. The document body, though heavily obfuscated, contains references to URLs that are part of a link farm, suggesting an attempt to manipulate search engine results or lure users to malicious sites. The ML classifier also strongly indicated maliciousness.
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.com/wb?keyword=internet%20addiction%20essay%20pdf
- http://files.awazetours.com/uploads/1/3/1/4/131452878/xederen.pdf
- http://files.madridistasatl.com/uploads/1/3/0/7/130740480/tarutajaluna-vapogaxo.pdf
- http://files.sophierobinsmosaics.com/uploads/1/3/0/7/130739398/bce3c3e8635f.pdf
- http://files.nologoproductions.com/uploads/1/3/0/7/130776462/2393184.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/81274949660.pdf
- https://cdn.shopify.com/s/files/1/0434/8385/7053/files/16744434882.pdf
- https://cdn.shopify.com/s/files/1/0440/7581/0966/files/tefagejoluxu.pdf
- https://cdn.shopify.com/s/files/1/0431/4349/5842/files/twinkle_twinkle_little_star_piano_notes.pdf
- https://cdn.shopify.com/s/files/1/0428/9350/8771/files/42280076815.pdf
- https://cdn.shopify.com/s/files/1/0433/8168/6437/files/leduwedefigefodeno.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vuwunojipodaga.pdf
- https://cdn.shopify.com/s/files/1/0434/3395/1399/files/zokatofu.pdf
- https://cdn.shopify.com/s/files/1/0440/4844/9686/files/46481863270.pdf
- https://cdn.shopify.com/s/files/1/0432/0857/3085/files/36795187361.pdf
- https://cdn.shopify.com/s/files/1/0434/6498/2693/files/zagenugogomibafidubafusa.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_off00008b32.bincf849be7a54a46eaca328351444be0d0943792df9f97950579aabe610bc7d47f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B32 | 5156 bytes |
font_01_sfnt_off00009cd6.bindacda1cc5f6a7d3a18c733ff9a489caa757300da073da274cc3ef65be41c3510 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9CD6 | 10304 bytes |
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