MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, with one specifically identified as a malicious redirector. The ML classifier strongly indicated maliciousness, and the presence of a link farm suggests an attempt to manipulate search engine results or distribute malicious content. The document body, though heavily obfuscated, contains the malicious URL and appears to be a lure for users searching for mathematical model examples.
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=mathematical+model+examples+pdf
- http://files.cutthecord.us/uploads/1/3/2/8/132814241/moxawutofowawid_tumorifum_wegajifirezivij.pdf
- http://jedoronil.inspiredfictionbooks.com/uploads/1/3/1/4/131438464/xepate.pdf
- http://files.iemthomas.com/uploads/1/3/0/9/130968942/4903304.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0436/3947/2288/files/coming_back_to_life_joanna_macy.pdf
- https://cdn.shopify.com/s/files/1/0431/1570/8573/files/zepux.pdf
- https://cdn.shopify.com/s/files/1/0433/8932/1366/files/21001370981.pdf
- https://cdn.shopify.com/s/files/1/0429/1110/5191/files/woxavodu.pdf
- https://cdn.shopify.com/s/files/1/0430/4555/2277/files/17484565862.pdf
- https://cdn.shopify.com/s/files/1/0434/1799/3366/files/79504363080.pdf
- https://cdn.shopify.com/s/files/1/0428/9187/0375/files/jepefigugalawuboba.pdf
- https://cdn.shopify.com/s/files/1/0431/8691/3437/files/20804880991.pdf
- https://cdn.shopify.com/s/files/1/0436/3078/8758/files/pay_to_play_magic_training_osrs.pdf
- https://cdn.shopify.com/s/files/1/0430/8090/8949/files/vaketojav.pdf
- https://cdn.shopify.com/s/files/1/0429/9508/9571/files/sudiku.pdf
- https://cdn.shopify.com/s/files/1/0428/5969/2198/files/95494093261.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_off000060d2.bindf7dd416aaf0e56b21b329bd8ff189a48b91345b374657bb9bc71eac76b7a849 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60D2 | 5372 bytes |
font_01_sfnt_off00007307.binb61f23dd3b79c4d8c8ca8f30e4e230add3022581c14b8f2773b85d62615202c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7307 | 10088 bytes |
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