MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, with a critical heuristic firing for PDF_SEO_LINK_FARM indicating a link farm strategy. One of these links, https://ttraff.cc/pify?keyword=i+can+read+worksheets, is flagged as a malicious redirector. The document body, though heavily obfuscated, contains text related to reading worksheets and references the wkhtmltopdf tool, suggesting a lure. 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.cc/pify?keyword=i+can+read+worksheets
- http://navomuner.newmorningacu.com/uploads/1/3/1/6/131606289/60af981a7d2b133.pdf
- http://fubivare.skateteamindy.com/uploads/1/3/2/3/132303093/f6d1d9cb9afd4be.pdf
- http://files.jennaleeneff.com/uploads/1/3/0/8/130813846/navalifusijazolunu.pdf
- http://mepiri.riverbottomstockdogs.com/uploads/1/3/0/7/130739625/5803884.pdf
- https://cdn.shopify.com/s/files/1/0431/2681/6932/files/kuwulo.pdf
- https://cdn.shopify.com/s/files/1/0434/0930/9854/files/19621349879.pdf
- https://cdn.shopify.com/s/files/1/0431/4962/3462/files/60825182479.pdf
- https://cdn.shopify.com/s/files/1/0431/8851/9080/files/wumukogonuluvabe.pdf
- https://cdn.shopify.com/s/files/1/0427/5650/5756/files/aspirantszone_english.pdf
- https://cdn.shopify.com/s/files/1/0437/1575/6181/files/66158170359.pdf
- https://cdn.shopify.com/s/files/1/0429/5085/2762/files/11758288836.pdf
- https://cdn.shopify.com/s/files/1/0437/2201/4871/files/mujir.pdf
- https://cdn.shopify.com/s/files/1/0430/4096/4759/files/3893113624.pdf
- https://cdn.shopify.com/s/files/1/0433/4583/8239/files/recognition_certificate_template_free.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006868.bin93348e0e0dbd42f2641e12ee4a813de5bf48b6fc48c5c778bdeb0cdd2db661d7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6868 | 5088 bytes |
font_01_sfnt_off000079bb.binc45f36faa00ced1ef5b48db9d4b11f3da1d4bff46006011bd4bbe94bac155482 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79BB | 10748 bytes |
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