MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one critical heuristic identifying a link to a known malicious redirector. The document body, though heavily obfuscated, contains text suggesting a lure related to 'Patterns of inheritance worksheet'. The primary malicious IOC is the redirector URL, which likely leads to further malicious content or phishing attempts.
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=patterns+of+inheritance+worksheet+an
- https://cdn.shopify.com/s/files/1/0434/9244/2264/files/72572238339.pdf
- https://cdn.shopify.com/s/files/1/0431/0243/7527/files/6108864910.pdf
- https://cdn.shopify.com/s/files/1/0431/0935/1578/files/glass_facade_design.pdf
- https://cdn.shopify.com/s/files/1/0432/5556/2398/files/xevurerajivokilirited.pdf
- https://cdn.shopify.com/s/files/1/0431/9982/4032/files/guidebook_of_us_coin_values.pdf
- https://static.usrfiles.com/ugd/b444d4_ba8db249636c422186068c94950d2f1a.pdf
- https://static.usrfiles.com/ugd/fd3290_ebf1c494474047858e9c03eae8f3680d.pdf
- https://static.usrfiles.com/ugd/225520_411226ce26da4eec9c17d0e2e08e05e3.pdf
- https://static.usrfiles.com/ugd/b8c837_1e215a6c350440fc924b43cd4d3f3ad2.pdf
- https://static.usrfiles.com/ugd/b8c837_755a425186c147e590f737f9fd439564.pdf
- https://static.usrfiles.com/ugd/33a2e4_02858d27b8a34b5981e647157b9b2d71.pdf
- https://cdn.shopify.com/s/files/1/0430/3699/9831/files/49603933335.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/sosivizugepu.pdf
- https://cdn.shopify.com/s/files/1/0464/7868/8408/files/lateral_cephalometric_analysis.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_off0000640e.bin7a66bef9063dcefed7435b706d8fa5525bbb76de390c626ff01263a4b9798e7a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x640E | 5096 bytes |
font_01_sfnt_off0000756b.binde094bf420c41ddc1b29bb22301923b7f89e7d5d5f71e47c9746a6c778f7098d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x756B | 10364 bytes |
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