MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to redirect users to malicious infrastructure, specifically to 'https://ttraff.com/pify?keyword=chemistry+physical+and+chemical+properties+worksheet+answers'. This indicates a social engineering attempt to lure users to a potentially harmful site under the guise of educational content. The ML classifier strongly supports the malicious nature of this PDF.
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+physical+and+chemical+properties+worksheet+answers
- http://files.votect2016.org/uploads/1/3/1/6/131606366/pazul_siwobuf_xebixonuwimavu.pdf
- http://files.carolgrice-curran.com/uploads/1/3/0/9/130969712/e91816f1096b7.pdf
- http://faseg.newlifecitychurch.org/uploads/1/3/2/7/132710780/16d2d9e1e9b.pdf
- https://cdn.shopify.com/s/files/1/0450/9194/6661/files/98439169660.pdf
- https://cdn.shopify.com/s/files/1/0437/5547/1006/files/arrangement_of_electrons_in_atoms_quiz_answers.pdf
- https://cdn.shopify.com/s/files/1/0427/9032/2342/files/4326024066.pdf
- https://cdn.shopify.com/s/files/1/0439/1626/3592/files/teberipojugemuwusemozuni.pdf
- https://cdn.shopify.com/s/files/1/0432/8023/6702/files/ragumexarodupitubasawulu.pdf
- https://cdn.shopify.com/s/files/1/0431/1682/2692/files/tirijufomiso.pdf
- https://cdn.shopify.com/s/files/1/0438/3473/6797/files/28120631688.pdf
- https://cdn.shopify.com/s/files/1/0434/7422/3269/files/42979509551.pdf
- https://cdn.shopify.com/s/files/1/0431/5483/3557/files/38161021345.pdf
- https://cdn.shopify.com/s/files/1/0433/5101/5577/files/zutoxokajegitujokira.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_off000052ee.bin5687aa4f07794a979dcefac6448c7eea00a121a96a448ee0de1c8dc7ee3e38cf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x52EE | 5476 bytes |
font_01_sfnt_off00006574.binffb5383a1bcdee32bdec953293938ef6d0fca423592a8d08eb8a72dbe9666abb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6574 | 10532 bytes |
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