MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains embedded links, with one pointing to a known malicious redirector infrastructure. The document body, though heavily obfuscated, suggests a lure related to software downloads. The presence of a large number of external PDF links, many hosted on Shopify, indicates a link farm designed to improve search engine ranking for specific keywords, further supporting the lure-based attack pattern.
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=audio+recorder+and+editor+apk+full
- http://files.risingravenband.com/uploads/1/3/1/3/131384018/buvab.pdf
- http://files.stuffanthings.com/uploads/1/3/1/0/131070920/9016235.pdf
- http://files.balletwithmissrachel.com/uploads/1/3/0/9/130969904/9dbb2b50cb93c.pdf
- http://files.bronxvilleteachers.org/uploads/1/3/2/6/132681294/5470674.pdf
- http://files.janeperrella.com/uploads/1/3/0/7/130776444/9072266.pdf
- https://cdn.shopify.com/s/files/1/0431/2658/7549/files/folusulupafabufa.pdf
- https://cdn.shopify.com/s/files/1/0430/5072/9634/files/35623199567.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/57308776079.pdf
- https://cdn.shopify.com/s/files/1/0428/8171/2287/files/31857833881.pdf
- https://cdn.shopify.com/s/files/1/0431/9277/8912/files/winapurabibegavodejeteker.pdf
- https://cdn.shopify.com/s/files/1/0433/3951/4006/files/25962108685.pdf
- https://cdn.shopify.com/s/files/1/0432/4913/9880/files/galuvupu.pdf
- https://cdn.shopify.com/s/files/1/0430/0505/1029/files/23509444157.pdf
- https://cdn.shopify.com/s/files/1/0432/4874/6651/files/wirovepazifinuji.pdf
- https://cdn.shopify.com/s/files/1/0431/7764/0092/files/kovevoralasazunixovuj.pdf
- https://cdn.shopify.com/s/files/1/0434/5397/2633/files/86799552150.pdf
- https://cdn.shopify.com/s/files/1/0433/8650/3326/files/pabigodewibuwoxetu.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_off000077ac.bina86e900db326f793bf1eab7d0a080cc3613af6b88917965c528f01a53b9a51a3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77AC | 4904 bytes |
font_01_sfnt_off00008860.bin2ec35ee82f55786967af7057b9ef9ebc3384a62144e46d9b182cec0a0da474c2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8860 | 10060 bytes |
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