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 pointing to external PDF files, a technique often used for SEO poisoning or to distribute malicious content. One critical heuristic identified a link to known malicious redirector infrastructure at `https://ttraff.ru/pify?keyword=bruynzeel+storage+systems+annual+report`. The document body, though heavily obfuscated, contains this same URL, suggesting it is the primary lure. No scripts were extracted from this sample.
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=bruynzeel+storage+systems+annual+report
- http://files.vinoorewa.com/uploads/1/3/1/8/131871871/ronoxu-piwune-wavus-podizowe.pdf
- http://waguzusi.emmihilger.com/uploads/1/3/0/7/130774993/najipufixuxosudupe.pdf
- http://files.immersionchestermere.org/uploads/1/3/0/7/130775126/f2aeca1b.pdf
- http://files.rivercityfoursquarechurch.com/uploads/1/3/0/8/130874612/gomilan.pdf
- http://files.kmcandies.com/uploads/1/3/1/4/131407111/3091942.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/8099/8302/files/84417039992.pdf
- https://cdn.shopify.com/s/files/1/0437/9253/1617/files/april_showers_proleter.pdf
- https://cdn.shopify.com/s/files/1/0437/7749/1105/files/fobowibukanonu.pdf
- https://cdn.shopify.com/s/files/1/0437/3735/0309/files/kapiwuxisonagap.pdf
- https://cdn.shopify.com/s/files/1/0433/9249/9877/files/memowupet.pdf
- https://cdn.shopify.com/s/files/1/0437/3394/2423/files/soxevemuguvibik.pdf
- https://cdn.shopify.com/s/files/1/0437/0392/6952/files/37040753909.pdf
- https://cdn.shopify.com/s/files/1/0431/9805/4558/files/tuvepubakom.pdf
- https://cdn.shopify.com/s/files/1/0428/2938/1791/files/63397781475.pdf
- https://cdn.shopify.com/s/files/1/0430/3876/9303/files/2643417847.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_off00006ec3.bin5561b7b5e9df96595cbc3588ca0ead616f9abd2f3cfb090172f487600a2c4ab5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EC3 | 5340 bytes |
font_01_sfnt_off000080ee.bin61e3afc151b381593217046a885208d1c5df28d88677d0ec07bed6e8f542ba6c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80EE | 10116 bytes |
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