MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, with one specifically pointing to a known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text that appears to be a lure for a specific PDF document, likely to trick users into clicking the malicious link. The presence of a malicious redirector and a large number of external links suggests an attempt to drive traffic to malicious sites, potentially for further exploitation or phishing.
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/wb?keyword=gimson
- http://besazone.quartzvanitydirect.com/uploads/1/3/1/4/131406950/6eb6204.pdf
- http://files.fabiansmagic.com/uploads/1/3/1/3/131384359/wasoj.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0440/5529/8213/files/verujusup.pdf
- https://cdn.shopify.com/s/files/1/0427/4287/4278/files/gitigulijalakalufom.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kemisavixazesunomezixe.pdf
- https://cdn.shopify.com/s/files/1/0430/6858/8194/files/kivekegekagupo.pdf
- https://cdn.shopify.com/s/files/1/0436/2508/7138/files/17275103984.pdf
- https://cdn.shopify.com/s/files/1/0432/9226/2560/files/possessive_pronouns_vs_adjectives_exercises.pdf
- https://cdn.shopify.com/s/files/1/0438/2438/2109/files/98426012106.pdf
- https://cdn.shopify.com/s/files/1/0437/4586/9985/files/tusuvutab.pdf
- https://cdn.shopify.com/s/files/1/0429/8987/9445/files/bigod.pdf
- https://cdn.shopify.com/s/files/1/0431/7695/1965/files/crack_2_chaniz.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_off00004b3a.binab051960bb360377bd8efbd17070c31c794a27ee1b68178fd8ed50727dceb5b4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4B3A | 5636 bytes |
font_01_sfnt_off00005e3d.bindaf9b2201ac1140fa801fc0e6c52fc85583c577e6f091ed07a280decb99067d3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E3D | 8924 bytes |
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