MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to appear as a resource for free ebooks, but the primary link leads to a known malicious redirector. The ML classifier strongly indicates malicious intent. The document body, though heavily obfuscated, contains the malicious URL, suggesting a social engineering pretext to drive traffic to malicious infrastructure.
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/pify?keyword=arunagirinathar+songs++free
- http://weboraf.igmlegal.com/uploads/1/3/0/7/130739892/zavowavirow.pdf
- http://files.alilisberger.com/uploads/1/3/1/4/131405977/pibofi-vomofax.pdf
- https://cdn.shopify.com/s/files/1/0431/0836/8545/files/free_survival_ebooks.pdf
- https://cdn.shopify.com/s/files/1/0463/1383/2613/files/38164376582.pdf
- https://cdn.shopify.com/s/files/1/0437/9662/7618/files/molecular_thermodynamics_mcquarrie_download.pdf
- https://cdn.shopify.com/s/files/1/0433/6012/5080/files/florida_projectile_point_identification_guide.pdf
- https://cdn.shopify.com/s/files/1/0427/5575/2103/files/videozal._net.pdf
- https://cdn.shopify.com/s/files/1/0428/8774/1607/files/muxajale.pdf
- https://cdn.shopify.com/s/files/1/0432/7748/4196/files/58089648355.pdf
- https://cdn.shopify.com/s/files/1/0435/2697/9739/files/zexonow.pdf
- https://cdn.shopify.com/s/files/1/0433/5452/1758/files/constrictive_pericarditis_guidelines.pdf
- https://cdn.shopify.com/s/files/1/0447/9657/5904/files/esl_advanced_reading_activities.pdf
- https://cdn.shopify.com/s/files/1/0436/6693/1862/files/92910999440.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/
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000080d5.bin9435846b0b45406d0d0a1a64d95d90e1963f21426ae7cbe6e145fff91a0f339a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80D5 | 4868 bytes |
font_01_sfnt_off00009157.binc78f361603a8980a9e2cca6cc16a829782eb6fdf0f5b5475db9bb7de977fd0d8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9157 | 13772 bytes |
font_02_sfnt_off0000bbea.bina542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBBEA | 4324 bytes |
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