MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL that triggers this heuristic. The primary purpose appears to be redirecting the user to a malicious site, likely for further exploitation or credential harvesting.
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=naming+aldehydes+worksheet+with+answers+pdf
- http://files.saluseducation.com/uploads/1/3/1/3/131380847/lijikajojipulijole.pdf
- http://files.mccarranferguson.com/uploads/1/3/1/4/131437418/badetilalikison.pdf
- http://files.subobscurafilms.com/uploads/1/3/0/7/130739614/kejelu.pdf
- https://cdn.shopify.com/s/files/1/0434/5711/8374/files/firelink_shrine_map.pdf
- https://cdn.shopify.com/s/files/1/0433/6526/9669/files/65237921394.pdf
- https://cdn.shopify.com/s/files/1/0438/5121/9104/files/ziwixox.pdf
- https://cdn.shopify.com/s/files/1/0429/6186/2810/files/pefaxivirojaxa.pdf
- https://cdn.shopify.com/s/files/1/0437/9613/6097/files/suvibulokuvutap.pdf
- https://cdn.shopify.com/s/files/1/0432/9819/3573/files/bitutosabonejubapawatofuj.pdf
- https://cdn.shopify.com/s/files/1/0438/9886/3771/files/6575277536.pdf
- https://cdn.shopify.com/s/files/1/0430/8451/3444/files/55865145455.pdf
- https://cdn.shopify.com/s/files/1/0430/8120/3861/files/rolavuvozarajux.pdf
- https://cdn.shopify.com/s/files/1/0435/4077/5064/files/35502536312.pdf
- https://cdn.shopify.com/s/files/1/0434/7602/5497/files/85741052703.pdf
- https://cdn.shopify.com/s/files/1/0431/5391/6060/files/dizamogenejesa.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_off00005f53.bin7d350559f71d97bb8afe28300915b64ab58dde66c418948f73023f0fcbb15875 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F53 | 5680 bytes |
font_01_sfnt_off000072a1.binf49576e6fe200007ad5ef4f83f4b3f51aa2ed0a386ed8e7627fcc806b7cafcbb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72A1 | 10140 bytes |
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