MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded URLs, with a critical heuristic firing indicating it links to known malicious redirector infrastructure. The document body and heuristics suggest a link farm or SEO manipulation tactic, likely intended to lead users to malicious content or phishing sites. The ML classifier strongly supports the malicious verdict.
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/wb?keyword=lesson%20study%20cycle%20pdf
- http://files.goldenspiraldesigns.com/uploads/1/3/0/7/130740232/5083549.pdf
- http://files.heroesasylum.com/uploads/1/3/1/6/131636764/2425564.pdf
- http://files.qiyi-wu.com/uploads/1/3/0/8/130813592/c0cbc6b.pdf
- http://files.grasshoppervapesllc.com/uploads/1/3/0/7/130739480/zuwapizunez.pdf
- https://cdn.shopify.com/s/files/1/0432/9131/2288/files/7856171081.pdf
- https://cdn.shopify.com/s/files/1/0431/8170/3319/files/tofudobifexogejo.pdf
- https://cdn.shopify.com/s/files/1/0434/5102/3526/files/10066023560.pdf
- https://cdn.shopify.com/s/files/1/0428/2331/9715/files/kuwovuvumanojigax.pdf
- https://cdn.shopify.com/s/files/1/0432/6513/0660/files/2000_jeep_grand_cherokee_service_manual.pdf
- https://cdn.shopify.com/s/files/1/0431/0129/0650/files/resovisudamirewuvad.pdf
- https://cdn.shopify.com/s/files/1/0433/8201/4108/files/79085288264.pdf
- https://cdn.shopify.com/s/files/1/0431/5889/6802/files/96551993736.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nuxekenosagulowagegur.pdf
- https://cdn.shopify.com/s/files/1/0434/6268/8918/files/destination_b2_download.pdf
- https://cdn.shopify.com/s/files/1/0431/2154/1271/files/84320645473.pdf
- https://cdn.shopify.com/s/files/1/0429/7211/9193/files/successful_project_management_gido.pdf
- https://cdn.shopify.com/s/files/1/0454/4040/1566/files/computer_application_in_physical_education_and_sports.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_off000075dd.bin05077790a1601e54a94557461e57602173a0f18c947fe3d8c55edcbb26590a0c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75DD | 4884 bytes |
font_01_sfnt_off000086a4.bin3e473d86c643d707b530a511a75911b155300530901c9419a4895835ad4b39e3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86A4 | 10224 bytes |
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