MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains embedded links that are part of a link farm, with one primary link identified as a malicious redirector. The document body, though heavily obfuscated, contains text referencing 'Buffettology book pdf' and the malicious URL, indicating a lure to download content. The PDF_MALICIOUS_REDIRECTOR_LINK heuristic confirms the redirection to known 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=buffettology+book+pdf
- http://files.jrasales.com/uploads/1/3/2/7/132741169/a418647.pdf
- http://files.authorcaseybond.com/uploads/1/3/1/4/131453232/sadupusupumatigaw.pdf
- http://files.kathyshealthyliving.com/uploads/1/3/0/7/130775753/1443139.pdf
- http://jadox.virginianutritionists.org/uploads/1/3/0/7/130775971/6525986.pdf
- https://cdn.shopify.com/s/files/1/0428/7227/5103/files/laxot.pdf
- https://cdn.shopify.com/s/files/1/0433/5907/6502/files/84344337182.pdf
- https://cdn.shopify.com/s/files/1/0433/7228/2008/files/18159647681.pdf
- https://cdn.shopify.com/s/files/1/0427/7954/1671/files/low_oxalate_diet_for_kidney_stones.pdf
- https://cdn.shopify.com/s/files/1/0431/6508/9949/files/ligefoleni.pdf
- https://cdn.shopify.com/s/files/1/0435/8383/2227/files/grade_11_analytical_geometry_notes.pdf
- https://cdn.shopify.com/s/files/1/0432/5156/4707/files/lalorisowifadugizawumiwu.pdf
- https://cdn.shopify.com/s/files/1/0433/2073/7950/files/77408719426.pdf
- https://cdn.shopify.com/s/files/1/0433/6759/6184/files/norazovapukofumaviluvud.pdf
- https://cdn.shopify.com/s/files/1/0432/8757/6740/files/autocad_lisp_manual.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006c00.bin424b4bc2d79fc16b93209f78e57b5aabbd0e4da3af9251cc7c05cfa83e18d67a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C00 | 5080 bytes |
font_01_sfnt_off00007d70.bin3ef33e4ef909e57b4c5978c7b080f97a4776b288ef8dda0e25b5f514a4647d27 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D70 | 10076 bytes |
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