MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, including one pointing to a known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text suggesting it is a 'completed performance appraisal form', likely a lure. The presence of a malicious redirector indicates an attempt to lead the user to a harmful site, potentially 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=completed+performance+appraisal+form+pdf
- http://files.westhavencarshow.com/uploads/1/3/0/8/130874213/kizakogese.pdf
- http://files.thebrickva.com/uploads/1/3/0/7/130739835/luropedapipipisa.pdf
- http://labovo.shodhsandhan.net/uploads/1/3/0/8/130874085/xutoriveg_zuroxodapowu_jalif.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0438/4312/5405/files/rifumuvugete.pdf
- https://cdn.shopify.com/s/files/1/0428/6673/7311/files/bumuvusofi.pdf
- https://cdn.shopify.com/s/files/1/0427/7246/3772/files/46157695649.pdf
- https://cdn.shopify.com/s/files/1/0437/8283/2280/files/60721695691.pdf
- https://cdn.shopify.com/s/files/1/0427/8085/2383/files/example_storing_strings_in_eeprom.pdf
- https://cdn.shopify.com/s/files/1/0437/6117/2631/files/75525374572.pdf
- https://cdn.shopify.com/s/files/1/0429/5249/1159/files/43218265281.pdf
- https://cdn.shopify.com/s/files/1/0439/3467/9208/files/synonyms_vocabulary_word_list_for_ielts.pdf
- https://cdn.shopify.com/s/files/1/0437/3122/2677/files/eichmann_in_jerusalem_summary.pdf
- https://cdn.shopify.com/s/files/1/0427/9622/0572/files/3049276095.pdf
- https://cdn.shopify.com/s/files/1/0428/2561/3468/files/vomajowoseduwupunutiw.pdf
- https://cdn.shopify.com/s/files/1/0436/8669/0969/files/tudakito.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_off000094ba.bin9ab4502f9eab18c350a83c8df1d572707ba7d589f56446ca0a4e77e92d35cbe0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x94BA | 5208 bytes |
font_01_sfnt_off0000a64f.bin10b69031e1853b09cc770487dc7531eaaae3768d9d15ed1fb7117ece3cec9906 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA64F | 10272 bytes |
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