MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many pointing to external resources, which is indicative of a link farm or SEO manipulation tactic. One of the primary links, 'https://ttraff.ru/pify?keyword=listening+comprehension+worksheets+pdf+grade+2', is flagged as a malicious redirector, suggesting the document's purpose is to direct users to malicious infrastructure. The ML classifier also strongly indicated maliciousness.
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.ru/pify?keyword=listening+comprehension+worksheets+pdf+grade+2
- http://files.completehealthcareok.com/uploads/1/3/1/6/131606186/9874918.pdf
- http://files.lonemami.com/uploads/1/3/0/7/130739375/fe9acc99a34c6a2.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/9105/8078/files/142747437.pdf
- https://cdn.shopify.com/s/files/1/0438/4640/2198/files/darilozobiluxaniza.pdf
- https://cdn.shopify.com/s/files/1/0434/3031/4133/files/sagafebofofenaw.pdf
- https://cdn.shopify.com/s/files/1/0431/7573/9560/files/filivikugefetagawe.pdf
- https://cdn.shopify.com/s/files/1/0448/6434/0130/files/my_talking_angela_mod_apk_unlimited_money.pdf
- https://cdn.shopify.com/s/files/1/0429/7093/9541/files/mqa_bursary_2019_application_form.pdf
- https://cdn.shopify.com/s/files/1/0435/7187/1912/files/figubumotem.pdf
- https://cdn.shopify.com/s/files/1/0440/3740/6870/files/bragg_s_nutritional_yeast_nutritional_information.pdf
- https://cdn.shopify.com/s/files/1/0436/5431/6197/files/90633442099.pdf
- https://cdn.shopify.com/s/files/1/0437/8719/0430/files/86809139293.pdf
- https://cdn.shopify.com/s/files/1/0434/5384/1560/files/weguxojele.pdf
- https://cdn.shopify.com/s/files/1/0433/2349/0457/files/acura_tsx_manual_wagon.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000056bb.bin939dfdd3f478c873f5468443b822eeacc18c97a4678ac0dad851275e1f7276f3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x56BB | 5764 bytes |
font_01_sfnt_off00006a40.bin27e2de2c10b13f483e05804acbac4894f8fa155ff91701e9a57634c99fe8ce10 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A40 | 13676 bytes |
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