MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of embedded links, many pointing to Shopify domains, which is indicative of a link farm. One of the primary links, 'https://ttraff.ru/pify?keyword=g.+i+sheet+standard+size', is flagged as a malicious redirector. The ML classifier also strongly suggests maliciousness. The document body is heavily obfuscated and unreadable, but the presence of a link farm and a malicious redirector strongly suggests an attempt to drive traffic 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.ru/pify?keyword=g.+i+sheet+standard+size
- http://files.sophiaunfolds.org/uploads/1/3/0/8/130874522/bojomumikisar-movivuja-rijut.pdf
- http://files.southeasternforesttherapy.com/uploads/1/3/0/7/130738752/3144258.pdf
- http://files.barbarablumenthalehrlich.com/uploads/1/3/1/4/131455621/tatufolamukuv-jezejur-nefajip.pdf
- https://cdn.shopify.com/s/files/1/0431/6397/5835/files/65941495837.pdf
- https://cdn.shopify.com/s/files/1/0429/5612/8412/files/waxujub.pdf
- https://cdn.shopify.com/s/files/1/0431/1711/7589/files/54205132140.pdf
- https://cdn.shopify.com/s/files/1/0429/8244/1113/files/94674815950.pdf
- https://cdn.shopify.com/s/files/1/0434/7333/8533/files/67613732004.pdf
- https://cdn.shopify.com/s/files/1/0434/1488/0405/files/34093504018.pdf
- https://cdn.shopify.com/s/files/1/0431/7931/1253/files/8445347991.pdf
- https://cdn.shopify.com/s/files/1/0433/6130/4728/files/wedetavuwudegevolugo.pdf
- https://cdn.shopify.com/s/files/1/0429/6943/2230/files/98535122589.pdf
- https://cdn.shopify.com/s/files/1/0429/6635/2025/files/93890446523.pdf
- https://cdn.shopify.com/s/files/1/0432/4638/7362/files/72866858224.pdf
- https://cdn.shopify.com/s/files/1/0430/5308/8919/files/madazigelusemem.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/
- https://cdn.shopify.com/s/files/1/0434/7333/8533/files
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000602b.bin8edb204119aaed620090d82ad0f4de9e5430c35ba38fc197798bd197a65670cf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x602B | 4672 bytes |
font_01_sfnt_off00006ffa.bin38d62db9610caa78e2d449567796dc2fef24b549008db2e5d266e123324ee747 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FFA | 10312 bytes |
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