MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links that point to a redirector service, which is a common technique for phishing and malware distribution. The document body, though heavily obfuscated, contains text related to a 'US work visa application form pdf' and a URL that appears to be part of a link farm designed to attract search engine traffic. The primary malicious URL identified is https://ttraff.ru/pify?keyword=us+work+visa+application+form+pdf, which is flagged as a malicious redirector. Several other URLs hosted on Shopify are also present, but these are generally classified as benign.
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=us+work+visa+application+form+pdf
- http://files.etf12trade.com/uploads/1/3/0/8/130874480/6665712.pdf
- http://files.cafedatalkalamode.com/uploads/1/3/0/8/130874031/rofebir.pdf
- http://files.cutandpresscreations.com/uploads/1/3/1/4/131453598/dutoji.pdf
- https://cdn.shopify.com/s/files/1/0434/9463/7734/files/gogogusamoxokafa.pdf
- https://cdn.shopify.com/s/files/1/0428/8000/8355/files/63245957293.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/31968244380.pdf
- https://cdn.shopify.com/s/files/1/0436/2692/2146/files/bexix.pdf
- https://cdn.shopify.com/s/files/1/0430/2327/0042/files/walevisamuki.pdf
- https://cdn.shopify.com/s/files/1/0432/8180/9558/files/zapap.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xizijifopaxefiz.pdf
- https://cdn.shopify.com/s/files/1/0440/6876/5861/files/system_admin_roles_and_responsibilities.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fusuzirosaf.pdf
- https://cdn.shopify.com/s/files/1/0433/3741/6869/files/wapuzetawivakavowafofik.pdf
- https://cdn.shopify.com/s/files/1/0429/5737/3589/files/tazodavur.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_off00005f1c.bind627f825d1020efbcd3b7c5bf10e09126728b627113c2f55fd334eaa1874d791 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F1C | 5508 bytes |
font_01_sfnt_off000071e4.bin0abdc9690d2cd757118e34a00068d5dbca2cdf7f8799431223eaf57d21cc3d28 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71E4 | 10204 bytes |
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