MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to a redirector service designed to obscure the final malicious destination. The document body, though heavily obfuscated, contains a URL that leads to a known malicious redirector. The ML classifier strongly indicates maliciousness, and the heuristic firings confirm the presence of malicious redirector links and a link farm.
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.cc/pify?keyword=etz+hayim+torah+and+commentary+pdf
- http://lulukimav.rockymountainadventureseries.com/uploads/1/3/0/8/130874285/2014555.pdf
- http://pawusi.driesneyland.com/uploads/1/3/1/0/131071258/41f9adcdc0a.pdf
- http://files.crabbymama.net/uploads/1/3/0/7/130739773/5111732.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0427/9985/7823/files/tusegisufakigezuwanipowog.pdf
- https://cdn.shopify.com/s/files/1/0433/5131/0488/files/bihar_board_10th_time_table_2020_download.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vuvitew.pdf
- https://cdn.shopify.com/s/files/1/0433/7870/4536/files/waw_resolution_crashes.pdf
- https://cdn.shopify.com/s/files/1/0432/1751/8751/files/81695742261.pdf
- https://cdn.shopify.com/s/files/1/0431/7829/5450/files/41851984417.pdf
- https://cdn.shopify.com/s/files/1/0430/5593/9733/files/61588426848.pdf
- https://cdn.shopify.com/s/files/1/0436/8669/0969/files/exponent_rules_practice_problems_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0428/1267/0111/files/cards_against_humanity_disney_expansion.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_off0000614a.bin2d794eb7c404ed2aa71e97c49c52fc6581d38aecc83c3b0ee115cd6599d26ecb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x614A | 5296 bytes |
font_01_sfnt_off00007339.bin3556120db90768b4c82223312e748f5e09581a2fd4e0aefffe4f24bb417df396 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7339 | 10828 bytes |
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