MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure for academic or book-related content, aiming to trick users into clicking the malicious links. The ML classifier strongly indicated maliciousness, supporting the assessment of a phishing or redirection attack.
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=asce+journal+of+structural+engineering+author+guidelines
- http://files.blessingoftheemeraldcoast.com/uploads/1/3/1/4/131437806/49af5e8766e.pdf
- http://files.baycountrycrabbingsupply.com/uploads/1/3/1/4/131437085/bb5f6fd740ef65b.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/4176/7072/files/bailey_and_love_surgery_24th_edition_free_download.pdf
- https://cdn.shopify.com/s/files/1/0435/1705/1039/files/the_stranger_albert_camus_matthew_ward.pdf
- https://cdn.shopify.com/s/files/1/0436/7400/9753/files/anabolisme_protein.pdf
- https://cdn.shopify.com/s/files/1/0428/2174/6847/files/kedorug.pdf
- https://cdn.shopify.com/s/files/1/0450/2568/9758/files/al_qur_an_dan_terjemahannya.pdf
- https://cdn.shopify.com/s/files/1/0432/7289/6678/files/pozawapuxefad.pdf
- https://cdn.shopify.com/s/files/1/0429/6241/9863/files/40578632371.pdf
- https://cdn.shopify.com/s/files/1/0431/8344/0030/files/diwotaperex.pdf
- https://cdn.shopify.com/s/files/1/0436/0906/3582/files/bukotenudakowopoza.pdf
- https://cdn.shopify.com/s/files/1/0435/7046/2883/files/zefisuvaxilivopoza.pdf
- https://cdn.shopify.com/s/files/1/0431/8386/6018/files/7281997131.pdf
- https://cdn.shopify.com/s/files/1/0434/6645/7254/files/9438364165.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_off00004d58.bin1546c0721470fd81e49e8e2cccde7fadadcf8a40e3b63bd5c270b83397ab68d3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4D58 | 5348 bytes |
font_01_sfnt_off00005f7e.binc569b3a65f0baecb33dc89a884040ec9f0ae8c9045e915e93caf543de0eabc66 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F7E | 10200 bytes |
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