MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm designed to redirect users to malicious infrastructure, specifically identified by the critical PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The primary malicious URL is https://ttraff.com/pify?keyword=phases+of+meiosis+worksheet+pdf, which is presented in the context of a worksheet lure. The ML classifier also strongly indicated maliciousness.
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=phases+of+meiosis+worksheet+pdf
- http://files.focusedlearningsolutions.com/uploads/1/3/1/6/131636990/49d8e9.pdf
- http://files.theaudiobar.org/uploads/1/3/2/6/132680990/3671839.pdf
- http://files.light-sup.com/uploads/1/3/2/6/132681002/lolonegesositub.pdf
- https://cdn.shopify.com/s/files/1/0437/5520/8858/files/aerobic_dance_exercise_instructor_manual.pdf
- https://cdn.shopify.com/s/files/1/0429/0379/7913/files/24973763579.pdf
- https://cdn.shopify.com/s/files/1/0440/7423/8102/files/76097669597.pdf
- https://cdn.shopify.com/s/files/1/0434/8903/4402/files/33286009727.pdf
- https://cdn.shopify.com/s/files/1/0430/2661/2378/files/64972157422.pdf
- https://cdn.shopify.com/s/files/1/0437/3826/7809/files/astro_2nd_canadian_edition.pdf
- https://cdn.shopify.com/s/files/1/0429/6281/3084/files/2826605951.pdf
- https://cdn.shopify.com/s/files/1/0429/0904/0803/files/46261333738.pdf
- https://cdn.shopify.com/s/files/1/0434/2205/6600/files/29654559133.pdf
- https://cdn.shopify.com/s/files/1/0428/1312/8871/files/lanuwanadisulajumoj.pdf
- https://cdn.shopify.com/s/files/1/0429/6183/0037/files/jiwupinudoda.pdf
- https://cdn.shopify.com/s/files/1/0428/2987/3318/files/52088892673.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_off00005656.bin95b1b2ac2017a9393b7616d2f22c8b83a3c36df490d94457a56a413d8fd30b6a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5656 | 5408 bytes |
font_01_sfnt_off000068a2.bin46472a9425ca10660a52bcc00c819950c11b1e4074fd5b7c836db308d1b2c18a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68A2 | 9412 bytes |
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