MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to a redirector service (ttraff.com) that is flagged as malicious. The document body, though heavily obfuscated, contains references to the same redirector URL and other benign-looking PDF files, suggesting a link farm or SEO poisoning tactic. 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=stem+activities+for+kindergarten+pdf
- https://static.usrfiles.com/ugd/a44510_c98357687f3d43a48c94a9ddbd926fca.pdf
- https://static.usrfiles.com/ugd/0f5b72_e1caea3475114f52bff304d537ca74fa.pdf
- https://static.usrfiles.com/ugd/b8c837_b47d828a797a41e9897790c396789d76.pdf
- https://static.usrfiles.com/ugd/b8c837_ee54e5af58e14636a35fe75f85312b15.pdf
- https://static.usrfiles.com/ugd/0c4177_cc0cf9e6825b49fda2f161c6185f912b.pdf
- https://cdn.shopify.com/s/files/1/0430/2995/4721/files/74865178119.pdf
- https://cdn.shopify.com/s/files/1/0429/2080/4511/files/tezeferu.pdf
- https://cdn.shopify.com/s/files/1/0435/2658/6520/files/kokaxopola.pdf
- https://cdn.shopify.com/s/files/1/0433/0124/0992/files/acog_guidelines_gbs_bacteriuria.pdf
- https://cdn.shopify.com/s/files/1/0432/6581/8789/files/63514452106.pdf
- https://cdn.shopify.com/s/files/1/0430/8130/2167/files/describe_a_friend_ielts_answer.pdf
- https://cdn.shopify.com/s/files/1/0433/3849/8206/files/mogamoxolabu.pdf
- https://cdn.shopify.com/s/files/1/0440/6630/8246/files/polo_ralph_lauren_sizes_chart.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/85450973079.pdf
- https://cdn.shopify.com/s/files/1/0429/7513/3859/files/abyssinia_law_legal_forms.pdf
- https://cdn.shopify.com/s/files/1/0432/9039/4788/files/college_application_form_html_template.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_off00006f12.bine29a94c683fd070626e4869dd1d2f8ad02405887947a1d7383ac11bbb6af75ad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F12 | 5668 bytes |
font_01_sfnt_off00008249.bin2d125956cd3fb47f78a7498c7fefc4438d1854022baa727f5de8a4e7fd16b589 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8249 | 10192 bytes |
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