MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to a link farm, and one specifically to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=ansul+442r+installation+manual', suggesting a lure to trick users into visiting malicious infrastructure. The ML classifier also strongly indicated maliciousness.
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=ansul+442r+installation+manual
- http://files.nlfarchitect.com/uploads/1/3/1/1/131163620/4192135.pdf
- http://putasuwur.drgarygoodman.com/uploads/1/3/2/6/132681946/3510140.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/0215/7466/files/73785213690.pdf
- https://cdn.shopify.com/s/files/1/0429/6025/7177/files/noxolazelin.pdf
- https://cdn.shopify.com/s/files/1/0438/3604/7525/files/62816284665.pdf
- https://cdn.shopify.com/s/files/1/0434/4106/2040/files/xazuf.pdf
- https://cdn.shopify.com/s/files/1/0434/2670/9665/files/13353154871.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zutowujovepenatugipo.pdf
- https://cdn.shopify.com/s/files/1/0428/6539/3820/files/53588344866.pdf
- https://cdn.shopify.com/s/files/1/0430/6763/7922/files/16564227488.pdf
- https://cdn.shopify.com/s/files/1/0434/0593/4759/files/wwww._dropbox_connect.pdf
- https://cdn.shopify.com/s/files/1/0427/7954/1671/files/namo_app_for_android.pdf
- https://cdn.shopify.com/s/files/1/0428/0942/6079/files/vigepuropuv.pdf
- https://cdn.shopify.com/s/files/1/0437/5930/4865/files/12732111755.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_off000046f8.bin1f650b03a323824991149cd60d1f7d5201f29178b77d13cdcb784ef9d373e724 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x46F8 | 5040 bytes |
font_01_sfnt_off00005801.binf6b815cc408c0b96b2b8665e74aa6210e7235ad2828f581e4bdc7bcef164d46b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5801 | 9924 bytes |
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