MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, with one prominently pointing to a known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=uscis+form+i-+90+pdf'. The document body, though heavily obfuscated, contains text suggesting it's related to a USCIS form, indicating a phishing or social engineering lure. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm designed to obscure the malicious destination.
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=uscis+form+i-+90+pdf
- http://kobipobiz.justinhornback.com/uploads/1/3/0/7/130740450/2264578.pdf
- http://files.suzanneforcese.com/uploads/1/3/0/7/130739835/3126053.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/0346/9221/files/vexezazujarosofunir.pdf
- https://cdn.shopify.com/s/files/1/0435/0256/7588/files/toyota_corolla_2008_user_manual.pdf
- https://cdn.shopify.com/s/files/1/0433/0225/6795/files/diwomumilaz.pdf
- https://cdn.shopify.com/s/files/1/0440/1148/7397/files/72162080897.pdf
- https://cdn.shopify.com/s/files/1/0430/2385/9873/files/50078297661.pdf
- https://cdn.shopify.com/s/files/1/0438/6373/6485/files/jenugobumipafapev.pdf
- https://cdn.shopify.com/s/files/1/0434/2461/2508/files/86989984083.pdf
- https://cdn.shopify.com/s/files/1/0434/5511/9512/files/98726140795.pdf
- https://cdn.shopify.com/s/files/1/0430/8611/9079/files/69373248823.pdf
- https://cdn.shopify.com/s/files/1/0434/0609/8597/files/bronchogenic_carcinoma.pdf
- https://cdn.shopify.com/s/files/1/0429/9672/7962/files/39540095258.pdf
- https://cdn.shopify.com/s/files/1/0428/9075/6259/files/nesogomakivitenexu.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_off00007c4a.bin84b44d1f17c94b3b9488b378683851106c4befe5912e8c8857075daf33701156 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C4A | 5380 bytes |
font_01_sfnt_off00008e7f.bin618ad850785c766e653484630facdc520ebc5415d2bc4d481ff3dc2b8be053bc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E7F | 10828 bytes |
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