MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains text referencing an 'A400m crash investigation report' and includes the malicious URL, suggesting a lure to a phishing or malware distribution site. The ML classifier strongly supports the malicious nature of this PDF.
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=a400m+crash+investigation+report
- http://revamaxa.solanocanyon.org/uploads/1/3/1/6/131636725/sisuvavopizabarise.pdf
- http://files.yottaearthhome.com/uploads/1/3/1/4/131437276/nukekafudikuwute.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0450/7539/8821/files/vivud.pdf
- https://cdn.shopify.com/s/files/1/0433/9836/5340/files/zatomezisefixasagerubonat.pdf
- https://cdn.shopify.com/s/files/1/0429/9581/0455/files/44533447275.pdf
- https://cdn.shopify.com/s/files/1/0450/4610/4222/files/dopeliv.pdf
- https://cdn.shopify.com/s/files/1/0431/2114/8061/files/59177254027.pdf
- https://cdn.shopify.com/s/files/1/0432/9052/5849/files/butterflies_zendaya_song.pdf
- https://cdn.shopify.com/s/files/1/0430/8205/5842/files/xobadikimavegaxoxaxugu.pdf
- https://cdn.shopify.com/s/files/1/0430/4338/9597/files/byte_code_editor_android.pdf
- https://cdn.shopify.com/s/files/1/0428/0591/9903/files/losivozeboneremupoka.pdf
- https://cdn.shopify.com/s/files/1/0434/9162/3074/files/15285789365.pdf
- https://cdn.shopify.com/s/files/1/0431/4549/4684/files/sewigumuzabukuloroso.pdf
- https://cdn.shopify.com/s/files/1/0433/4059/5352/files/93097770648.pdf
- https://cdn.shopify.com/s/files/1/0432/8783/8886/files/voviwizugafatata.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_off0000753a.binf58c5e4267d697fc54ccf32998f5aedda3be11a95802c8b034e76ffdb2dd306f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x753A | 5592 bytes |
font_01_sfnt_off00008822.bin930b61556bea6fecdbeff87bb7949141f8516769843e72be756292bb47d99b47 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8822 | 9928 bytes |
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