MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm or SEO manipulation tactic. One of the primary links, https://ttraff.com/pify?keyword=elapsed+time+worksheets+for+3rd+graders, is flagged as a malicious redirector. 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.com/pify?keyword=elapsed+time+worksheets+for+3rd+graders
- http://buxubog.groovycoolstuff.com/uploads/1/3/0/8/130813528/ed1906977ff496.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/0383/8615/files/exercicio_de_analise_sintatica_pdf.pdf
- https://cdn.shopify.com/s/files/1/0429/0271/6572/files/bucket_elevator_catalogue.pdf
- https://cdn.shopify.com/s/files/1/0430/6649/1042/files/73028297011.pdf
- https://cdn.shopify.com/s/files/1/0435/1108/7259/files/adiemus_satb_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0430/0200/3615/files/concept_of_economic_efficiency.pdf
- https://cdn.shopify.com/s/files/1/0433/6903/7982/files/53032655958.pdf
- https://cdn.shopify.com/s/files/1/0433/2129/5006/files/tinkers_alien_modifier.pdf
- https://cdn.shopify.com/s/files/1/0432/5444/8286/files/70260352395.pdf
- https://cdn.shopify.com/s/files/1/0434/6953/7432/files/91895610774.pdf
- https://cdn.shopify.com/s/files/1/0436/9822/5320/files/lurarajipubufejuserekur.pdf
- https://cdn.shopify.com/s/files/1/0432/6126/4035/files/albert_einstein_quotes_on_education.pdf
- https://cdn.shopify.com/s/files/1/0436/5543/0309/files/jesisijul.pdf
- https://cdn.shopify.com/s/files/1/0430/0357/6481/files/42691928415.pdf
- https://cdn.shopify.com/s/files/1/0431/5794/6522/files/ramorugugu.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_off00005eed.bindb5b5ab54155ba4d29013e965c57e477f4f33b97fa669471c28c9f68740dab83 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EED | 5732 bytes |
font_01_sfnt_off00007265.bina0960991679d75565d77731d146fcff34d8475792822ced500faa77da1825b0d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7265 | 9796 bytes |
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