MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm and a malicious redirector URL, suggesting a phishing or scam attempt disguised as academic material. The ML classifier strongly indicates maliciousness. The embedded URL points to a redirector that likely leads to further malicious content or exploits.
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=thomas+calculus+2+t%25C3%25BCrk%25C3%25A7e+pdf+%25C3%25A7%25C3%25B6z%25C3%25BCmleri
- http://files.ranallofamilycleveland.com/uploads/1/3/1/6/131606861/sagurofabor.pdf
- http://files.tianashoresassociation.com/uploads/1/3/1/4/131437147/a0519eb4ac89.pdf
- http://files.ctlf-empowers.org/uploads/1/3/2/6/132681670/3f55a7d799db8c.pdf
- http://files.balwynhighschool1957to1962reunion.org/uploads/1/3/1/0/131070529/kunegelaru-pajit-forijasugazepo-lirilodadisixew.pdf
- http://files.purplespirithealing.com/uploads/1/3/1/1/131164350/lonukafugoxutupalil.pdf
- https://cdn.shopify.com/s/files/1/0433/3695/8104/files/tixab.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nazowexoratusitufunu.pdf
- https://cdn.shopify.com/s/files/1/0429/5560/4121/files/mikurasugevog.pdf
- https://cdn.shopify.com/s/files/1/0429/5963/4591/files/pidosonogonezuwuvizisatus.pdf
- https://cdn.shopify.com/s/files/1/0429/6838/3641/files/76033791057.pdf
- https://cdn.shopify.com/s/files/1/0431/4647/7725/files/binary_search_in_c.pdf
- https://cdn.shopify.com/s/files/1/0431/8933/8276/files/61687376663.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/50537202024.pdf
- https://cdn.shopify.com/s/files/1/0445/8492/7396/files/pdf_file_open_app_download_for_android.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005397.bindc4720bdac1c6cc02e55a404fb7549d5a1365b64e319060412e145a969e43937 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5397 | 6032 bytes |
font_01_sfnt_off00006737.bin8aaab581b6a3cb47563a3f3cccbe0913c7aac14e92c7825265f565b48c55d162 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6737 | 11364 bytes |
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