MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 Malicious Link
T1059.001 PowerShell
This PDF document contains a large number of embedded links, characteristic of a link farm designed to manipulate search engine results or distribute malicious content. One of the primary links, 'https://ttraff.ru/wb?keyword=5th%20grade%20math%20coordinate%20grid%20worksheets', points to a known malicious redirector. The document body, though heavily obfuscated, also contains this URL and other PDF links, reinforcing the malicious intent. The file was generated by wkhtmltopdf, a tool often abused for creating such link farms.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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/wb?keyword=5th%20grade%20math%20coordinate%20grid%20worksheets In PDF document text
- http://files.skippingnt.com.au/uploads/1/3/0/9/130969775/limavagupovez_dinevigavaxox_natatalowaxo.pdfIn PDF document text
- http://files.thegirlsfromguantanamo.com/uploads/1/3/2/6/132681938/2217839fd6588e.pdfIn PDF document text
- http://files.estellessweetitchblankets.com/uploads/1/3/1/4/131409170/tixavaxanepuluxuvit.pdfIn PDF document text
- http://files.businessbcs.com/uploads/1/3/2/7/132740343/e9c81eaa854.pdfIn PDF document text
- http://files.kcpanhel.com/uploads/1/3/2/8/132815961/1055807.pdfIn PDF document text
- http://files.rowdyrogers.com/uploads/1/3/2/8/132814239/8027949.pdfIn PDF document text
- http://files.carolinastormhedgehogs.com/uploads/1/3/1/6/131637291/fanipewonosewagafuv.pdfIn PDF document text
- http://files.evelandfarm.com/uploads/1/3/1/4/131436971/93088aafe1eb3.pdfIn PDF document text
- http://files.binnyliu.com/uploads/1/3/0/7/130740493/wujetevelumila.pdfIn PDF document text
- http://files.emeraldtreeexperts.net/uploads/1/3/0/9/130969427/6706914.pdfIn PDF document text
- http://files.savebozeman.org/uploads/1/3/1/4/131408529/80336d.pdfIn PDF document text
- http://files.jorjahudsonportfolio.com/uploads/1/3/1/8/131872048/4151772.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://jararevus.files.wordpress.com/2020/06/zabewofikoxa.pdfIn PDF document text
- https://pixaxaxaluz585082879.files.wordpress.com/2020/06/lovigugijakiwivufiberonu.pdfIn PDF document text
- https://wefozeb.files.wordpress.com/2020/06/45676075612.pdfIn PDF document text
- https://giwogixud.files.wordpress.com/2020/06/8094999636.pdfIn PDF document text
- https://dokuwedefef.files.wordpress.com/2020/07/tezenonurezen.pdfIn PDF document text
- https://rakatifi.files.wordpress.com/2020/06/18056963446.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/86593634255.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/76957488457.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mosagewenusuwaguxizekud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rejukimuvili.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/titigabibuzumazavuxi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gobobuxewinunegurugita.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007079.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7079 | 5296 bytes |
SHA-256: 350cc658de25fe671ab989982c7153d747b4aeac9f88706712519118fec05b56 |
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font_01_sfnt_off00008262.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8262 | 9992 bytes |
SHA-256: dfda66428d7efbe070bb0e25734d4b1cf9eff75fe96f1e2d241f1fa3ae7e6f9b |
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