MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The document body, though malformed, contains the URL 'https://ttraff.cc/pify?keyword=esl+possessive+adjectives+worksheet+pdf', which is also listed as an IOC. This URL is likely used to redirect the user to a malicious site. The PDF also contains a large number of external links, many hosted on Shopify, suggesting a link farm for SEO poisoning or to obscure the final 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.cc/pify?keyword=esl+possessive+adjectives+worksheet+pdf
- http://files.greatfallsredeemer.org/uploads/1/3/0/7/130739268/14397743.pdf
- http://files.narrabrishow.com/uploads/1/3/2/6/132696210/nuvabagor.pdf
- http://files.naturalnesters.com/uploads/1/3/2/6/132695302/604114.pdf
- https://cdn.shopify.com/s/files/1/0433/4295/4650/files/susaf.pdf
- https://cdn.shopify.com/s/files/1/0431/9887/3762/files/mukalinoz.pdf
- https://cdn.shopify.com/s/files/1/0431/6413/9669/files/8829647545.pdf
- https://cdn.shopify.com/s/files/1/0431/3468/1250/files/96100436229.pdf
- https://cdn.shopify.com/s/files/1/0430/7678/0192/files/sobazonumafarewaxagul.pdf
- https://cdn.shopify.com/s/files/1/0434/9621/0594/files/artforms_11th_edition_free.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/43778875991.pdf
- https://cdn.shopify.com/s/files/1/0431/8514/3965/files/fapisenumi.pdf
- https://cdn.shopify.com/s/files/1/0430/1615/9381/files/zavatimavu.pdf
- https://cdn.shopify.com/s/files/1/0434/5459/5224/files/53036346090.pdf
- https://cdn.shopify.com/s/files/1/0431/1865/7697/files/41657860671.pdf
- https://cdn.shopify.com/s/files/1/0431/8108/0738/files/welavatirim.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_off00005404.bind62256dd72c5b8ee70485c1ab0339b4fa5b822932686ac4bcfb9d15c9a138384 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5404 | 5492 bytes |
font_01_sfnt_off000066cd.bin4c7c64e45e28c9974508196b85521da920dd4f86bc83c41031c755502f5c54a8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66CD | 10420 bytes |
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