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 links, many of which point to external resources, a technique often used to create link farms for SEO manipulation or to hide malicious destinations. One critical heuristic identified a link to a known malicious redirector, 'ttraff.club', which is used in conjunction with a lure related to 'middle school developmental milestones'. The ML classifier also strongly indicated maliciousness. No scripts were extracted, but the PDF structure and embedded links strongly suggest a social engineering attack.
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.club/wix?keyword=middle+school+developmental+milestones
- http://wukasas.michaelangelograyson.com/uploads/1/3/0/7/130776487/be680be09e212f.pdf
- http://files.soleorganizer.com/uploads/1/3/1/0/131070581/rizuribadi-vedurejakefoke.pdf
- https://cdn.shopify.com/s/files/1/0431/8868/2915/files/runozemaguponasuxola.pdf
- https://cdn.shopify.com/s/files/1/0431/1633/1172/files/35350444276.pdf
- https://cdn.shopify.com/s/files/1/0483/5973/5456/files/mobogenie_helper_apk_free_download.pdf
- https://2224c06c-0c1b-48df-b844-85e7cebcd784.filesusr.com/ugd/31593d_cb3a3a928d194fa78431d73851bb26b3.pdf?index=true
- https://e82b7ff2-ebee-455b-8bd6-27f9f62a40eb.filesusr.com/ugd/fa6f14_05de45b21dd045c4b9b302da05b5db28.pdf?index=true
- https://bac1274d-fa31-41a4-bd52-594dbeb74bac.filesusr.com/ugd/f14cf6_5fe8339b5761438bb4c8122640b1fbd5.pdf?index=true
- https://16835c64-8807-4db1-a871-9e038ebd45a9.filesusr.com/ugd/e2c223_dc81b44115294e87938b480960d667bb.pdf?index=true
- 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_off000062a7.bin6c545a9c89a87e19521775df6ddaac9e3a256dd75768403274a3fb5bfc910d44 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62A7 | 5280 bytes |
font_01_sfnt_off0000748f.bin83c16724916c7b95dc2ee807e93be81e4afaf70a9412032dbcff3a99fb40b835 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x748F | 10484 bytes |
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