MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a link to a redirector, which is a common technique for distributing malicious content. The document body, though heavily obfuscated, contains text related to a "Messenger app for iPhone 5s" and a URL that appears to be part of a link farm designed for SEO poisoning. The ML classifier also strongly indicated maliciousness.
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/pify?keyword=messenger+app++for+iphone+5s
- http://files.recconnectionmiami.com/uploads/1/3/1/4/131482931/rukasunurej.pdf
- http://files.anglers-rest.com/uploads/1/3/1/8/131856333/labatojiguv.pdf
- http://files.sccellars.com/uploads/1/3/0/9/130969254/95259d6ad07dca.pdf
- https://cdn.shopify.com/s/files/1/0433/3902/2485/files/lababox.pdf
- https://cdn.shopify.com/s/files/1/0463/3064/2587/files/facebook_reactions_emoji.pdf
- https://cdn.shopify.com/s/files/1/0433/0101/1614/files/plantas_alimentcias_no_convencionais_panc_no_brasil.pdf
- https://cdn.shopify.com/s/files/1/0433/5291/6119/files/ghostscript_print.pdf
- https://cdn.shopify.com/s/files/1/0462/6389/4170/files/lefuj.pdf
- https://cdn.shopify.com/s/files/1/0437/4927/7845/files/xesejotoxujumikusoxop.pdf
- https://cdn.shopify.com/s/files/1/0430/5561/2058/files/57085429046.pdf
- https://cdn.shopify.com/s/files/1/0434/9244/2264/files/vofarubuwozofitenu.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/90554838216.pdf
- https://cdn.shopify.com/s/files/1/0431/8733/9413/files/50601775498.pdf
- https://cdn.shopify.com/s/files/1/0439/0027/2792/files/timifozaponunanobejegunab.pdf
- https://cdn.shopify.com/s/files/1/0436/1538/7811/files/32559164103.pdf
- https://cdn.shopify.com/s/files/1/0432/1535/6067/files/vujijapuditive.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/1/0432/1535/6067/fil
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006522.bin88bd170edad1e337a92e508cf40f96cf7e15d71cc564663a8d5716313cc32a18 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6522 | 5260 bytes |
font_01_sfnt_off0000770c.bined2db47b63420d79cd22ed799e825ec66193b5369ac6d4e3878f2ecbb8d6d61c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x770C | 10308 bytes |
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