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 of which are SEO-optimized to appear as legitimate documents. One critical heuristic identified a link to known malicious redirector infrastructure at https://ttraff.com/pify. The document body also contains this URL, suggesting the primary purpose is to redirect users to malicious sites under the guise of providing worksheets.
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=associative+property+of+addition+worksheets+grade+2
- http://files.pn-projectmanagement.com/uploads/1/3/0/7/130739107/dubufenanomajaz-weriwemapusikan-vorokavinuwir-mobavibemix.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/6874/4087/files/lego_architecture_sydney_opera_house_instructions.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/30617095305.pdf
- https://cdn.shopify.com/s/files/1/0431/6879/2733/files/beauty_and_the_beast_piano_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0459/1737/2565/files/61274426378.pdf
- https://cdn.shopify.com/s/files/1/0428/2338/5247/files/29960959252.pdf
- https://cdn.shopify.com/s/files/1/0430/9339/3557/files/79985945018.pdf
- https://cdn.shopify.com/s/files/1/0437/5268/5726/files/tewekisitosamupipadofime.pdf
- https://cdn.shopify.com/s/files/1/0435/8373/3915/files/94633269230.pdf
- https://cdn.shopify.com/s/files/1/0435/2920/7957/files/kubuxolox.pdf
- https://cdn.shopify.com/s/files/1/0431/9127/1586/files/zeraroxinalerowu.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_off000054a7.bin7c4e7bf72323132a64263b303a2bc3981e90453e3bc6716c8e8ae5c0ea2ef878 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x54A7 | 5824 bytes |
font_01_sfnt_off0000689a.bin582acdb94a812a17edfc32989a7b47f788f7cfb393c7476109d3bc051371184f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x689A | 10060 bytes |
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