MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to a link farm hosted on Shopify. The primary redirector URL, https://ttraff.cc/wb?keyword=historia%20de%20san%20petersburgo%20pdf, is flagged as malicious. This suggests a phishing or SEO poisoning attack aimed at driving traffic to malicious infrastructure. 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.cc/wb?keyword=historia%20de%20san%20petersburgo%20pdf
- http://files.autumnselover.com/uploads/1/3/1/0/131070313/kanemuki.pdf
- http://files.bridgeyoungadults.com/uploads/1/3/1/6/131636625/2027955.pdf
- http://files.wildharvestuk.net/uploads/1/3/1/3/131381031/lirojexesasone-fupagutubipe-lewoxupiwuzo.pdf
- http://files.jjsdka.org/uploads/1/3/0/9/130969819/98a098cf.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/75904593322.pdf
- https://cdn.shopify.com/s/files/1/0432/4923/8178/files/finunakuwifuve.pdf
- https://cdn.shopify.com/s/files/1/0427/8085/2383/files/4663703139.pdf
- https://cdn.shopify.com/s/files/1/0431/5211/3820/files/shell_programming.pdf
- https://cdn.shopify.com/s/files/1/0437/4121/6919/files/52371459106.pdf
- https://cdn.shopify.com/s/files/1/0428/7594/5113/files/kudupateperuxinade.pdf
- https://cdn.shopify.com/s/files/1/0431/6630/2376/files/29994800517.pdf
- https://cdn.shopify.com/s/files/1/0437/6661/2130/files/yii2_documentation.pdf
- https://cdn.shopify.com/s/files/1/0434/5636/4711/files/how_to_add_value_to_yourself.pdf
- https://cdn.shopify.com/s/files/1/0431/3461/5706/files/jogoxigabenefe.pdf
- https://cdn.shopify.com/s/files/1/0432/9157/4430/files/estndares_de_calidad_ambiental.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_off0000b752.bin5f8de2f109fea6301ee2fb73fd35c4e8ac699cc79fd4bf32cff0646200655b39 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB752 | 5280 bytes |
font_01_sfnt_off0000c945.bin0a492c92ffff939dbf281f34e51591fc872a3aa4f71c14978e728a5d2f5c1f1f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC945 | 11972 bytes |
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