MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a redirector service (ttraff.ru) known for malicious activity. The document body, though heavily obfuscated, contains text related to 'narrative essay outline template' and the malicious URL, suggesting a social engineering lure. The ML classifier also strongly indicated maliciousness. No scripts were extracted from this sample.
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=narrative+essay+outline+template
- http://files.welleyofficial.com/uploads/1/3/1/1/131164431/bakukewejatas_fekugizajenudom_puligisibizume.pdf
- http://files.blakesburgchurch.org/uploads/1/3/1/4/131407898/7bad87e.pdf
- https://cdn.shopify.com/s/files/1/0438/0193/6033/files/axfood_rsredovisning_2020.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vaxopegi.pdf
- https://cdn.shopify.com/s/files/1/0427/8275/2935/files/sifebodetuxifiro.pdf
- https://cdn.shopify.com/s/files/1/0429/6605/7116/files/hindi_item_songs.pdf
- https://cdn.shopify.com/s/files/1/0432/0726/2367/files/72688475790.pdf
- https://cdn.shopify.com/s/files/1/0434/8860/8418/files/linear_equation_in_two_variables_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0440/5005/5318/files/connected_components_workbench_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0432/9334/3912/files/denijepakewonepi.pdf
- https://cdn.shopify.com/s/files/1/0428/5349/9046/files/zokevixuvi.pdf
- https://cdn.shopify.com/s/files/1/0431/5663/5816/files/suniduwosudorokimixurakoj.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_off00005d44.bindc3c5c7e3968fb8d1db6e0f6e0484e8e6e7c7bf7e375c63e0e9f2f3f4d7eca2c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D44 | 4976 bytes |
font_01_sfnt_off00006e26.bin18c327ed8721935f875a85d5cf7ee948be100d694a0e4a8b7d530c7c641f1378 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E26 | 10048 bytes |
font_02_sfnt_off0000907a.bin0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x907A | 4324 bytes |
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