MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a primary link disguised as 'chemistry notes pdf bgcse' that redirects to malicious infrastructure via ttraff.com. The ML classifier strongly indicated maliciousness, and the presence of a link farm suggests an attempt to manipulate search engine results or distribute malware. No scripts were extracted, but the document's structure and embedded links are indicative of a phishing or redirection campaign.
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.com/pify?keyword=chemistry+notes+pdf+bgcse
- http://files.canineandequineranch.org/uploads/1/3/0/8/130813458/548cd8167a6.pdf
- http://fajoj.crushblingboutique.com/uploads/1/3/1/3/131384429/fagov.pdf
- http://files.kuwaitikuwait.com/uploads/1/3/1/4/131437983/laxaxawijovu_sogamuvuj_limulapidozo.pdf
- http://suzimofu.coscinecreative.com/uploads/1/3/1/4/131453247/32e25e611d.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/61411835552.pdf
- https://cdn.shopify.com/s/files/1/0435/5080/2081/files/ascii_values_in_c.pdf
- https://cdn.shopify.com/s/files/1/0432/0323/1908/files/6233509260.pdf
- https://cdn.shopify.com/s/files/1/0428/4828/8934/files/wimafisuniniru.pdf
- https://cdn.shopify.com/s/files/1/0434/4607/5542/files/guthix_d_hide_boots.pdf
- https://cdn.shopify.com/s/files/1/0433/2745/5400/files/82216963145.pdf
- https://cdn.shopify.com/s/files/1/0433/9105/8083/files/jumimowosuf.pdf
- https://cdn.shopify.com/s/files/1/0432/1204/6491/files/mirulomawibavajedato.pdf
- https://cdn.shopify.com/s/files/1/0433/9276/2006/files/vovateborajizinum.pdf
- https://cdn.shopify.com/s/files/1/0428/2882/4742/files/jomogipiv.pdf
- https://cdn.shopify.com/s/files/1/0428/1594/6911/files/vaxanuxexakuratotari.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_off000045c3.bind32f59bd6b850601e1c13a90d357402b9568ce74932a6998cb8db47eefe0e517 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x45C3 | 5476 bytes |
font_01_sfnt_off00005841.bin0b7dfe3138ecb57020a8c435180177dffa75ff75c6bf813a9a32d341eb92a776 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5841 | 9400 bytes |
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