MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to a link farm designed for SEO manipulation. One prominent link, 'https://ttraff.com/wix?keyword=ati+teas+study+guide+version+6+pdf', is identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to study guides, suggesting a lure to entice users to click the malicious link. The ML classifier also strongly indicated maliciousness.
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.com/wix?keyword=ati+teas+study+guide+version+6+pdf
- https://static.usrfiles.com/ugd/e32576_d93fb82d2d86484da38cfd263af6b723.pdf
- https://static.usrfiles.com/ugd/8cbfce_24280ce3c14d43ac88a5ec9974feb3d2.pdf
- https://static.usrfiles.com/ugd/24853a_8930771b4b9544859e0fc3d5ebde10ff.pdf
- https://static.usrfiles.com/ugd/b8c837_8a0b6046ad114dd39fdaab408f25ea4d.pdf
- https://cdn.shopify.com/s/files/1/0434/9470/3270/files/attestation_de_prise_en_charge_tudiant.pdf
- https://cdn.shopify.com/s/files/1/0435/2229/3920/files/minecraft_kj_to_rf.pdf
- https://cdn.shopify.com/s/files/1/0435/7318/2625/files/banarasiya_hd_video_song.pdf
- https://cdn.shopify.com/s/files/1/0430/4837/0333/files/mesowopamifuwijafu.pdf
- https://cdn.shopify.com/s/files/1/0440/6394/8950/files/xupovotet.pdf
- https://cdn.shopify.com/s/files/1/0433/9249/9877/files/19961241367.pdf
- https://cdn.shopify.com/s/files/1/0433/8650/3326/files/rotifijenujunoxo.pdf
- https://cdn.shopify.com/s/files/1/0439/2747/0235/files/721277568.pdf
- https://static.usrfiles.com/ugd/79e5df_fee1011571ce4b62919997409ea1b3c3.pdf
- https://static.usrfiles.com/ugd/704566_97b5e3e2418e4044941a80a26027a753.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_off00007bd8.binb72ba05fb729d3bd78b572b879620002504937d9b48b75c7c83aaf782794ed3e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BD8 | 5484 bytes |
font_01_sfnt_off00008e98.binb1652318c75da8d391127cd56b170a31c356cd51de68ff866404a4a781dde819 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E98 | 10548 bytes |
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