MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF contains a large number of embedded links, many of which are part of a link farm designed to manipulate search engine results. One of the primary links, disguised as exam preparation material, redirects to a known malicious domain (ttraff.ru). This indicates a phishing or redirection campaign aimed at users searching for specific educational 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.ru/wix?keyword=cambridge+a2+key+for+schools+pdf
- https://shop.swiss-exams.ch/produkt-kateg
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/5630/8123/files/70536343993.pdf
- https://cdn.shopify.com/s/files/1/0429/3401/0015/files/zitinopilezisetakikediv.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/21659337375.pdf
- https://cdn.shopify.com/s/files/1/0430/7186/4993/files/pofabelede.pdf
- https://static.usrfiles.com/ugd/06497e_cc930133a9964088b83739b81bd1c79a.pdf
- https://static.usrfiles.com/ugd/b8c837_598d844e8b7f447f83e8214680b1098b.pdf
- https://static.usrfiles.com/ugd/097bd5_a647a2ccccb3472383b81afbc0f02da6.pdf
- https://static.usrfiles.com/ugd/a771bd_f211971dd03f4754a4750af0933a0c38.pdf
- https://static.usrfiles.com/ugd/e2c250_6cc0d3d975094bbea3f02d3fa519c92f.pdf
- https://cdn.shopify.com/s/files/1/0434/0681/9477/files/spirit_stallion_of_the_cimarron_char.pdf
- https://cdn.shopify.com/s/files/1/0432/7872/9374/files/38548119165.pdf
- https://cdn.shopify.com/s/files/1/0437/5989/4689/files/vapurojidunatalupu.pdf
- https://cdn.shopify.com/s/files/1/0427/8249/0791/files/4522263492.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_off000045fc.bina9d965486730456e36a206c9471e64f0d882ad3dca92c8c72072de627dfcec52 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x45FC | 5912 bytes |
font_01_sfnt_off00005a0a.bincd1754418cc085463d5804c605e7ea4f6d39e5bd651e6d4385818f07995cc12b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A0A | 10256 bytes |
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