MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm with 26 external PDF links, including one pointing to a known malicious redirector. The primary malicious URL identified is https://ttraff.ru/pify?keyword=word+family+sorting+worksheets, which is likely used to redirect users to further malicious content. 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=word+family+sorting+worksheets
- http://files.juliacellini.com/uploads/1/3/2/6/132681884/0f916f.pdf
- http://files.cloud9science.net/uploads/1/3/1/4/131437983/fudofodixolepa.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0429/6648/3103/files/jofemukukusajo.pdf
- https://cdn.shopify.com/s/files/1/0432/2865/9874/files/64067108000.pdf
- https://cdn.shopify.com/s/files/1/0437/1713/2442/files/rakadotuberoja.pdf
- https://cdn.shopify.com/s/files/1/0432/0090/5373/files/annual_report_apple.pdf
- https://cdn.shopify.com/s/files/1/0430/4489/6925/files/gorazolavodafusaruwoges.pdf
- https://cdn.shopify.com/s/files/1/0431/5850/3590/files/52938298293.pdf
- https://cdn.shopify.com/s/files/1/0434/6000/1957/files/37533762420.pdf
- https://cdn.shopify.com/s/files/1/0430/4994/3202/files/313075025.pdf
- https://cdn.shopify.com/s/files/1/0431/3799/0813/files/75548304617.pdf
- https://cdn.shopify.com/s/files/1/0431/0253/5840/files/49872199325.pdf
- https://cdn.shopify.com/s/files/1/0435/4015/2475/files/lomuwiza.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000060e2.binb8c961185963f56330511999d778e9167df8a3d5c457f5bf6f7b2f6c26896916 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60E2 | 5380 bytes |
font_01_sfnt_off0000731d.binb790c487ebe4df8a9ed400912d981984cbccfb51c8ae48538672ef182080d996 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x731D | 10192 bytes |
font_02_sfnt_off00009604.bin7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9604 | 4324 bytes |
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