MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to an 'acknowledgement letter format for dissertation' and the malicious URL. The presence of numerous external PDF links suggests a link farm or SEO poisoning attempt to distribute malicious content.
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/wix?keyword=acknowledgement+letter+format+for+dissertation
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0451/2271/5801/files/the_babylon_mystery_religion.pdf
- https://cdn.shopify.com/s/files/1/0437/0874/3834/files/41400050304.pdf
- https://cdn.shopify.com/s/files/1/0437/5989/4680/files/tukawam.pdf
- https://static.usrfiles.com/ugd/4f270c_461e227c1924449eb46dde311864d36e.pdf
- https://static.usrfiles.com/ugd/3801ff_7e48c8746d634e5295875189aea294e5.pdf
- https://cdn.shopify.com/s/files/1/0430/8205/5829/files/jspdf_autotable_angular_2.pdf
- https://cdn.shopify.com/s/files/1/0430/3912/9751/files/understanding_the_linux_kernel_5th_edition_free_download.pdf
- https://cdn.shopify.com/s/files/1/0431/6046/9660/files/descargar_el_alferez_real.pdf
- https://cdn.shopify.com/s/files/1/0440/7328/7830/files/33979968147.pdf
- https://cdn.shopify.com/s/files/1/0436/2662/7225/files/sawekinamekejoze.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fda9.bina17885b4fd577e0298a64705d5055d2ac7c2363fd7008e9cf236b3df412a17d8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDA9 | 2828 bytes |
font_01_sfnt_off000107a3.binf2e7c62724ec84209f176e3c0e67db51cdafa84141ae4c0517ef8579ace0c243 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107A3 | 5484 bytes |
font_02_sfnt_off00011a4f.bincec4c0d8e02cc677726a1b8c821ff21a96478f8c6daa25f487511e2f9bea3f20 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A4F | 10156 bytes |
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