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 domains associated with link farms and redirectors, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK and PDF_SEO_LINK_FARM heuristics. The primary malicious URL identified is https://ttraff.ru/pify?keyword=types+of+foundation+in+civil+engineering+pdf, which is flagged as a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though partially corrupted, contains text related to civil engineering and the wkhtmltopdf application, suggesting a lure to disguise the malicious 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.ru/pify?keyword=types+of+foundation+in+civil+engineering+pdf
- http://files.shanteltampagal.org/uploads/1/3/1/3/131378952/98ea3bc8.pdf
- http://files.guyinspired.com/uploads/1/3/2/8/132814303/zaras-mobalafadepij-raguwalef-dojagipamoriw.pdf
- http://files.bugtug.org/uploads/1/3/1/0/131070651/9914927.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/8080/0674/files/one_dimensional_array_in_c_example.pdf
- https://cdn.shopify.com/s/files/1/0431/5774/9917/files/44256259038.pdf
- https://cdn.shopify.com/s/files/1/0427/5778/3718/files/15715777136.pdf
- https://cdn.shopify.com/s/files/1/0428/3547/6636/files/nitaxiso.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/87664315042.pdf
- https://cdn.shopify.com/s/files/1/0437/6703/8106/files/pipapizazur.pdf
- https://cdn.shopify.com/s/files/1/0429/1290/7423/files/gazubolumexurepurozo.pdf
- https://cdn.shopify.com/s/files/1/0430/7815/6449/files/47371505635.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tovovowegafakaroseras.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_off000078f5.bind521c3e151134053d6f49433bfb6f82b45620331bde10f3a25a2009c7692e2a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78F5 | 5432 bytes |
font_01_sfnt_off00008b94.bin0218e1a60bd039390d6b6a3334798ac7dd76490a72db5d87efca9619346324e3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B94 | 10256 bytes |
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