MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link, pointing to `https://ttraff.cc/pify?keyword=class+11+biology+chapter+2+biological+classification+notes+pdf`. This URL is presented within the document body, disguised as a link to educational notes. The presence of a large number of external links, many pointing to Shopify domains, suggests a link farm designed to obscure the malicious redirector. The ML classifier also strongly flagged this PDF as malicious.
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=class+11+biology+chapter+2+biological+classification+notes+pdf
- http://files.thomasachadwick.com/uploads/1/3/1/3/131380616/gifereluz_gezakibuto_tidoja.pdf
- http://files.aislynnesimagesphotography.com/uploads/1/3/0/7/130775320/07c7d2f9.pdf
- http://files.lindentreeherbals.com/uploads/1/3/0/7/130775221/jazexuvuwigo.pdf
- https://cdn.shopify.com/s/files/1/0431/9671/1069/files/furigizowadobometin.pdf
- https://cdn.shopify.com/s/files/1/0430/6714/6397/files/losenojumumorajowata.pdf
- https://cdn.shopify.com/s/files/1/0430/6000/2967/files/nec_code_book_free_download.pdf
- https://cdn.shopify.com/s/files/1/0435/3120/6808/files/12435786087.pdf
- https://cdn.shopify.com/s/files/1/0435/0754/8326/files/iso_3166-_1-_alpha-_3.pdf
- https://cdn.shopify.com/s/files/1/0434/4345/4102/files/traveling_cart_stardew_valley.pdf
- https://cdn.shopify.com/s/files/1/0433/4610/0374/files/radus.pdf
- https://cdn.shopify.com/s/files/1/0433/4233/2057/files/antibiotics_drugs_and_their_uses.pdf
- https://cdn.shopify.com/s/files/1/0429/3240/4380/files/50848710074.pdf
- https://cdn.shopify.com/s/files/1/0430/4555/2290/files/kuzilodelemovojedazigejor.pdf
- https://cdn.shopify.com/s/files/1/0428/2771/0630/files/zojidesogoleleleparig.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_off00006a72.binf7af8ccc4df767e29d259235c407a713c50381c29dc1b8bef6ac0976eb2c66d6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A72 | 5748 bytes |
font_01_sfnt_off00007e07.binf6774d53f7887a3032814c362c572b49210ff9ab24154690f0eb3c68bf3f0887 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E07 | 10104 bytes |
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