MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one identified as a malicious redirector pointing to 'https://ttraff.com/wb?keyword=comparing%20length%20worksheet%20for%20grade%201'. This suggests a social engineering attack aiming to lure users to malicious infrastructure. The PDF also hosts a link farm, likely for SEO poisoning or to obscure the malicious destination. No scripts were extracted, and the document body is heavily obfuscated.
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/wb?keyword=comparing%20length%20worksheet%20for%20grade%201
- http://files.highdefsalon.com/uploads/1/3/1/3/131381900/6712042.pdf
- http://zejoba.apartmentpropertytransactions.com/uploads/1/3/0/7/130775918/826c0.pdf
- http://mumifivux.eatonsbnh.com.au/uploads/1/3/1/3/131398453/0b5613e3028fbf.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/3785448733.pdf
- https://cdn.shopify.com/s/files/1/0435/1298/7802/files/76788399343.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/reragijod.pdf
- https://cdn.shopify.com/s/files/1/0431/2875/0241/files/kugejolu.pdf
- https://cdn.shopify.com/s/files/1/0435/7819/6129/files/bizenigomipisasowu.pdf
- https://cdn.shopify.com/s/files/1/0432/9019/8180/files/77083918171.pdf
- https://cdn.shopify.com/s/files/1/0433/4678/8502/files/java_decode_base64_string_to.pdf
- https://cdn.shopify.com/s/files/1/0428/7044/0095/files/303018125.pdf
- https://cdn.shopify.com/s/files/1/0434/7301/0850/files/16298866341.pdf
- https://cdn.shopify.com/s/files/1/0433/5081/8969/files/sedumoxufonaneritax.pdf
- https://cdn.shopify.com/s/files/1/0432/4855/0050/files/40843306838.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_off00005fc1.bin94999bd1d65698dff3ff8a44d58f3da4c5fa060bf1b566afce3bbdaa8ec3ca3f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FC1 | 5568 bytes |
font_01_sfnt_off00007295.binbe9d94dae9da8363db552114b268d16442af7791a2b66073767201983450b405 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7295 | 10520 bytes |
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