MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many of which point to a link farm designed to appear as educational resources. One critical heuristic identified a link to known malicious redirector infrastructure at 'https://ttraff.com/pify?keyword=code.+org+answers+lesson+17'. The ML classifier also strongly indicated maliciousness. This suggests the document is part of a phishing or scam campaign aiming to redirect users to malicious sites.
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=code.+org+answers+lesson+17
- http://files.lousavage.com/uploads/1/3/1/8/131858791/7a9a527f89baa.pdf
- http://monozi.nlpandmbitcoach.training/uploads/1/3/1/3/131398020/mebuzemapawow-jewerabosax-wenegosinigovad.pdf
- http://files.otsegofitness.com/uploads/1/3/0/7/130738889/6020829.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0447/7432/6438/files/teaching_addition_of_fractions.pdf
- https://cdn.shopify.com/s/files/1/0432/2295/8248/files/kivazejixokemas.pdf
- https://cdn.shopify.com/s/files/1/0432/2823/3883/files/food_crossword_puzzles.pdf
- https://cdn.shopify.com/s/files/1/0433/5838/8374/files/28118790379.pdf
- https://cdn.shopify.com/s/files/1/0431/2875/0234/files/40114484169.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tozonolemudafolafoxi.pdf
- https://cdn.shopify.com/s/files/1/0440/7564/7128/files/kixevekokipubib.pdf
- https://cdn.shopify.com/s/files/1/0452/3137/4493/files/wewenapekogajebexetuzeki.pdf
- https://cdn.shopify.com/s/files/1/0428/5480/9756/files/barlow_condensed_bold.pdf
- https://cdn.shopify.com/s/files/1/0430/2589/1479/files/14866588433.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_off000060dc.bin434c3341763c49a5a52ee8663916d1dfa31286846765b7f5b7ce0f643b23e2b8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60DC | 5152 bytes |
font_01_sfnt_off00007293.bina7ce2b80e3540df64ada08dd3bb86dd707368c347db22ae5a98d3c5f7140659f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7293 | 10244 bytes |
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