MALICIOUS
154
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 pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains text suggesting it is a 'worksheet' and includes the malicious redirector URL. This indicates a likely phishing or malware distribution attempt using a lure of educational content.
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/pify?keyword=clothes+worksheet+first+grade
- http://files.suewheelerintuitiveconsulting.com/uploads/1/3/1/3/131398334/dupowa.pdf
- http://files.selbylibraryfriends.org/uploads/1/3/1/6/131606563/9e53b1d.pdf
- http://files.melissayvonnephotography.com/uploads/1/3/0/7/130775033/weninu.pdf
- https://cdn.shopify.com/s/files/1/0435/7206/8520/files/pdf_to_word_online2pdf.pdf
- https://cdn.shopify.com/s/files/1/0427/7331/5740/files/9013505562.pdf
- https://cdn.shopify.com/s/files/1/0435/4234/7927/files/58404198901.pdf
- https://cdn.shopify.com/s/files/1/0440/8115/2152/files/xikamuledasopisej.pdf
- https://cdn.shopify.com/s/files/1/0433/7909/7758/files/16389274296.pdf
- https://cdn.shopify.com/s/files/1/0437/9551/3505/files/33305090103.pdf
- https://cdn.shopify.com/s/files/1/0427/5575/2103/files/micro_infinity_to_rf.pdf
- https://cdn.shopify.com/s/files/1/0440/0755/5222/files/zujixabug.pdf
- https://cdn.shopify.com/s/files/1/0439/2511/0952/files/prenup_agreement_template_uk.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_off0000556c.bin796e4d1dc901b44cb9ad3cf955a3905d7d8b758bad735d1c1ae6880972666575 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x556C | 5228 bytes |
font_01_sfnt_off00006741.bin89309968c148011ba92972c2c69ddca45c4dc6834fa1d16b55db02d61c63b7a9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6741 | 10412 bytes |
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